Common Weakness Enumeration
CWE-91
Allowed-with-ReviewXML Injection (aka Blind XPath Injection)
Abstraction: Base · Status: Draft
The product does not properly neutralize special elements that are used in XML, allowing attackers to modify the syntax, content, or commands of the XML before it is processed by an end system.
82 vulnerabilities reference this CWE, most recent first.
CVE-2026-53582 (GCVE-0-2026-53582)
Vulnerability from cvelistv5 – Published: 2026-10-15 15:08 – Updated: 2026-10-16 17:13
VLAI
EPSS
VEX
Title
OPNsense: XPATH Injection can disclose any secret in config.xml
Summary
OPNsense is a FreeBSD based firewall and routing platform. Prior to version 26.1.10, the Trust module stores attacker-controlled certificate authority and certificate refid values and interpolates them into XPath expressions in src/opnsense/mvc/app/models/OPNsense/Trust/FieldTypes/CAsField.php and src/opnsense/mvc/app/models/OPNsense/Trust/FieldTypes/CertificatesField.php. A user with CA Manager or Certificate Manager privileges can submit a crafted refid and repeatedly retrieve the object to obtain a boolean refcount oracle, allowing values in config.xml to be recovered character by character. Exposed values can include password hashes, API credentials, certificate private keys, VPN key material, and high-availability credentials, enabling privilege escalation and compromise of other security domains. This issue is fixed in version 26.1.10.
Severity
7.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 20:24 UTC
CWE
Assigner
GitHub_M
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/opnsense/core/security/advisor… | x_refsource_CONFIRM |
| https://github.com/opnsense/core/commit/e2cd06734… | x_refsource_MISC |
| https://github.com/opnsense/core/commit/fc2f0d745… | x_refsource_MISC |
| http://seclists.org/fulldisclosure/2026/Jul/18 |
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CVE-2026-48590 (GCVE-0-2026-48590)
Vulnerability from cvelistv5 – Published: 2026-08-21 09:51 – Updated: 2026-08-21 12:25
VLAI
EPSS
VEX
Title
Element and Attribute Names Injected Verbatim into XML Output in xml_builder
Summary
XML Injection vulnerability in joshnuss xml_builder (XmlBuilder module) allows Content Spoofing, XML Injection.
This vulnerability is associated with program files lib/xml_builder.ex and program routines XmlBuilder.generate/1, XmlBuilder.generate/2, XmlBuilder.element/1, XmlBuilder.element/2, XmlBuilder.element/3.
Element names, attribute names, and doctype identifiers are interpolated verbatim into the serialized XML output without validation or escaping of structural characters (<, >, ", ', &). An attacker who can influence a name argument (for example, an element name derived from a JSON object key or an HTTP form field name) can inject arbitrary XML markup including extra elements, comments, and event-handler attributes into the output document.
This issue affects xml_builder: from 0.0.1 before 2.4.1.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 12:24 UTC
CWE
- CWE-91 - XML Injection (aka Blind XPath Injection)
Assigner
EEF
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/joshnuss/xml_builder/security/… | vendor-advisoryrelated |
| https://cna.erlef.org/cves/CVE-2026-48590.html | related |
| https://osv.dev/vulnerability/EEF-CVE-2026-48590 | related |
| https://github.com/joshnuss/xml_builder/commit/d5… | patch |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| joshnuss | xml_builder |
Affected:
0.0.1 , < 2.4.1
(semver)
cpe:2.3:a:joshnuss:xml_builder:*:*:*:*:*:*:*:* |
|
| joshnuss | xml_builder |
Affected:
9fb49131ad3ee146a4c9db9bc175bdffe32e30a0 , < d5c0aec32a8eecbb440fb9bbb0f59d4d188d5859
(git)
cpe:2.3:a:joshnuss:xml_builder:*:*:*:*:*:*:*:* |
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CVE-2026-47273 (GCVE-0-2026-47273)
Vulnerability from cvelistv5 – Published: 2026-05-27 20:03 – Updated: 2026-05-28 13:26
VLAI
EPSS
VEX
Title
pam_usb: XPath injection via PAM-supplied identifiers in pam_usb configuration queries
Summary
pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.9.0, pam_usb builds XPath expressions from user-supplied identifiers (PAM username, service name) and device-supplied identifiers (USB device serial, model, vendor) to query /etc/pamusb.conf. These identifiers were not validated for XPath metacharacters, allowing injection of arbitrary XPath predicates. This vulnerability is fixed in 0.9.0.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-28 13:26 UTC
CWE
- CWE-91 - XML Injection (aka Blind XPath Injection)
Assigner
GitHub_M
CNA
References
3 references
| URL | Tags |
|---|---|
| https://github.com/mcdope/pam_usb/security/adviso… | x_refsource_CONFIRM |
| https://github.com/mcdope/pam_usb/pull/311 | x_refsource_MISC |
| https://github.com/mcdope/pam_usb/commit/721fed08… | x_refsource_MISC |
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CVE-2026-47080 (GCVE-0-2026-47080)
Vulnerability from cvelistv5 – Published: 2026-08-21 09:49 – Updated: 2026-08-21 12:32
VLAI
EPSS
VEX
Title
CDATA Section Breakout via Unsanitised ]]> in xml_builder
Summary
XML Injection vulnerability in joshnuss xml_builder (XmlBuilder module) allows Content Spoofing, XML Injection.
This vulnerability is associated with program files lib/xml_builder.ex and program routines XmlBuilder.generate/1, XmlBuilder.generate/2, XmlBuilder.escape/1.
The escape/1 clause for {:cdata, data} in lib/xml_builder.ex concatenates data verbatim between the CDATA opener <![CDATA[ and closer ]]> without rewriting or splitting on the embedded ]]> sequence. Because CDATA sections have no internal escape mechanism, the only safe way to embed arbitrary bytes is to split on ]]> and emit adjacent CDATA sections. An attacker who can supply input containing ]]> closes the CDATA section early; any bytes that follow are parsed as ordinary XML markup by downstream consumers, allowing injection of arbitrary elements, text, or entity references into the output document.
This issue affects xml_builder: from 0.0.7 before 2.4.1.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 12:30 UTC
CWE
- CWE-91 - XML Injection (aka Blind XPath Injection)
Assigner
EEF
CNA
References
5 references
| URL | Tags |
|---|---|
| https://github.com/joshnuss/xml_builder/security/… | vendor-advisoryrelated |
| https://cna.erlef.org/cves/CVE-2026-47080.html | related |
| https://osv.dev/vulnerability/EEF-CVE-2026-47080 | related |
| https://github.com/joshnuss/xml_builder/commit/bf… | patch |
| https://vincent.vulcoord.net/score/?state=Not+Sco… | exploit |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| joshnuss | xml_builder |
Affected:
0.0.7 , < 2.4.1
(semver)
cpe:2.3:a:joshnuss:xml_builder:*:*:*:*:*:*:*:* |
|
| joshnuss | xml_builder |
Affected:
26766f884ed19adee1563522c7afb5f056a6f3b5 , < bfb1ada071ccc1e384c30f782197ca5154106706
(git)
cpe:2.3:a:joshnuss:xml_builder:*:*:*:*:*:*:*:* |
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CVE-2026-46490 (GCVE-0-2026-46490)
Vulnerability from cvelistv5 – Published: 2026-06-08 18:41 – Updated: 2026-06-09 15:13
VLAI
EPSS
VEX
Title
samlify: XML Injection in AttributeValue Allows Privilege Escalation in Signed SAML Assertions
Summary
samlify is a Node.js library for SAML single sign-on. Prior to version 2.13.0, samlify’s template substitution only escapes attribute contexts. Values inserted into element text (e.g., <saml:AttributeValue>) are not escaped. A normal user can inject XML markup into an attribute value (e.g., email, name) and add new <saml:Attribute> elements inside the signed assertion. The IdP then signs the tampered assertion and the SP accepts the injected attributes as trusted. This allows privilege escalation when attributes are used for authorization (roles/groups). This issue has been patched in version 2.13.0.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-09 14:51 UTC
CWE
- CWE-91 - XML Injection (aka Blind XPath Injection)
Assigner
GitHub_M
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/tngan/samlify/security/advisor… | x_refsource_CONFIRM |
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CVE-2026-44665 (GCVE-0-2026-44665)
Vulnerability from cvelistv5 – Published: 2026-05-13 15:24 – Updated: 2026-05-18 15:04
VLAI
EPSS
VEX
Title
fast-xml-builder: Attribute values with unwanted quotes can bypass malicious or unwanted attributes
Summary
fast-xml-builder builds XML from JSON. Prior to 1.1.7, when an input data has quotes in attribute values but process entities is not enabled, it breaks the attribute value into multiple attributes. This gives the room for an attacker to insert unwanted attributes to the XML/HTML. This vulnerability is fixed in 1.1.7.
Severity
6.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-18 15:04 UTC
CWE
- CWE-91 - XML Injection (aka Blind XPath Injection)
Assigner
GitHub_M
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/NaturalIntelligence/fast-xml-b… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NaturalIntelligence | fast-xml-builder |
Affected:
< 1.1.7
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CVE-2026-44664 (GCVE-0-2026-44664)
Vulnerability from cvelistv5 – Published: 2026-05-13 15:27 – Updated: 2026-05-13 16:46
VLAI
EPSS
VEX
Title
fast-xml-builder: Comment Value bypass regex
Summary
fast-xml-builder builds XML from JSON. In 1.1.5, the fix for CVE-2026-41650 in fast-xml-parser sanitizes -- sequences in XML comment content using .replace(/--/g, '- -'). This skip the values containing three consecutive dashes (e.g., --->...), allowing an attacker to break out of an XML comment and inject arbitrary XML/HTML content. This vulnerability is fixed in 1.1.6.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-13 16:41 UTC
CWE
- CWE-91 - XML Injection (aka Blind XPath Injection)
Assigner
GitHub_M
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/NaturalIntelligence/fast-xml-b… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NaturalIntelligence | fast-xml-builder |
Affected:
1.1.5
|
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CVE-2026-41675 (GCVE-0-2026-41675)
Vulnerability from cvelistv5 – Published: 2026-05-07 03:49 – Updated: 2026-08-28 12:04
VLAI
EPSS
VEX
Title
xmldom: XML node injection through unvalidated processing instruction serialization
Summary
xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module. In @xmldom/xmldom prior to versions 0.9.10 and 0.8.13 and xmldom version 0.6.0 and prior, the package allows attacker-controlled processing instruction data to be serialized into XML without validating or neutralizing the PI-closing sequence ?>. As a result, an attacker can terminate the processing instruction early and inject arbitrary XML nodes into the serialized output. This issue has been patched in versions @xmldom/xmldom versions 0.9.10 and 0.8.13.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-07 13:43 UTC
CWE
- CWE-91 - XML Injection (aka Blind XPath Injection)
Assigner
GitHub_M
CNA
References
9 references
| URL | Tags |
|---|---|
| https://github.com/xmldom/xmldom/security/advisor… | x_refsource_CONFIRM |
| https://github.com/xmldom/xmldom/commit/7207a4b0e… | x_refsource_MISC |
| https://github.com/xmldom/xmldom/releases/tag/0.8.13 | x_refsource_MISC |
| https://github.com/xmldom/xmldom/releases/tag/0.9.10 | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2026-41675 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2467629 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:26234 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:60520 | vendor-advisoryx_refsource_REDHAT |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| xmldom | xmldom |
Affected:
xmldom <= 0.6.0
Affected: @xmldom/xmldom >= 0.9.0, < 0.9.10 Affected: @xmldom/xmldom < 0.8.13 |
|
| Red Hat | Red Hat Developer Hub 1.9 |
Unaffected:
1781187342 , < *
(rpm)
cpe:/a:redhat:rhdh:1.9::el9 |
|
| Red Hat | Red Hat OpenShift AI 3.4 |
Unaffected:
1787121387 , < *
(rpm)
cpe:/a:redhat:openshift_ai:3.4::el9 |
|
| Red Hat | Red Hat Build of Podman Desktop |
cpe:/a:redhat:podman_desktop:1
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Fuse 7 |
cpe:/a:redhat:jboss_fuse:7
|
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai
|
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4
|
|
| Red Hat | Self-service automation portal 2 |
cpe:/a:redhat:ansible_portal:2
|
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CVE-2026-41674 (GCVE-0-2026-41674)
Vulnerability from cvelistv5 – Published: 2026-05-07 03:47 – Updated: 2026-09-10 12:05
VLAI
EPSS
VEX
Title
xmldom: XML injection through unvalidated DocumentType serialization
Summary
xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module. In @xmldom/xmldom prior to versions 0.9.10 and 0.8.13 and xmldom version 0.6.0 and prior, the package serializes DocumentType node fields (internalSubset, publicId, systemId) verbatim without any escaping or validation. When these fields are set programmatically to attacker-controlled strings, XMLSerializer.serializeToString can produce output where the DOCTYPE declaration is terminated early and arbitrary markup appears outside it. This issue has been patched in versions @xmldom/xmldom versions 0.9.10 and 0.8.13.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-07 12:35 UTC
CWE
- CWE-91 - XML Injection (aka Blind XPath Injection)
Assigner
GitHub_M
CNA
References
11 references
| URL | Tags |
|---|---|
| https://github.com/xmldom/xmldom/security/advisor… | x_refsource_CONFIRM |
| https://github.com/xmldom/xmldom/commit/372008f9a… | x_refsource_MISC |
| https://github.com/xmldom/xmldom/releases/tag/0.8.13 | x_refsource_MISC |
| https://github.com/xmldom/xmldom/releases/tag/0.9.10 | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2026-41674 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2467620 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:21338 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:26234 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:21703 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:20034 | vendor-advisoryx_refsource_REDHAT |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| xmldom | xmldom |
Affected:
xmldom <= 0.6.0
Affected: @xmldom/xmldom >= 0.9.0, < 0.9.10 Affected: @xmldom/xmldom < 0.8.13 |
|
| Red Hat | Red Hat Developer Hub 1.8 |
Unaffected:
1779841586 , < *
(rpm)
cpe:/a:redhat:rhdh:1.8::el9 |
|
| Red Hat | Red Hat Developer Hub 1.9 |
Unaffected:
1781187342 , < *
(rpm)
cpe:/a:redhat:rhdh:1.9::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.20 |
Unaffected:
1779864090 , < *
(rpm)
cpe:/a:redhat:openshift:4.20::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4.21 |
Unaffected:
1779252093 , < *
(rpm)
cpe:/a:redhat:openshift:4.21::el9 |
|
| Red Hat | Red Hat Build of Podman Desktop |
cpe:/a:redhat:podman_desktop:1
|
|
| Red Hat | Red Hat Fuse 7 |
cpe:/a:redhat:jboss_fuse:7
|
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai
|
|
| Red Hat | Self-service automation portal 2 |
cpe:/a:redhat:ansible_portal:2
|
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CVE-2026-41672 (GCVE-0-2026-41672)
Vulnerability from cvelistv5 – Published: 2026-05-07 03:36 – Updated: 2026-08-28 12:04
VLAI
EPSS
VEX
Title
xmldom: XML node injection through unvalidated comment serialization
Summary
xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module. In @xmldom/xmldom prior to versions 0.9.10 and 0.8.13 and xmldom version 0.6.0 and prior, the package allows attacker-controlled comment content to be serialized into XML without validating or neutralizing comment-breaking sequences. As a result, an attacker can terminate the comment early and inject arbitrary XML nodes into the serialized output. This issue has been patched in versions @xmldom/xmldom versions 0.9.10 and 0.8.13.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-07 14:11 UTC
CWE
- CWE-91 - XML Injection (aka Blind XPath Injection)
Assigner
GitHub_M
CNA
References
11 references
| URL | Tags |
|---|---|
| https://github.com/xmldom/xmldom/security/advisor… | x_refsource_CONFIRM |
| https://github.com/xmldom/xmldom/pull/987 | x_refsource_MISC |
| https://github.com/xmldom/xmldom/commit/b39754088… | x_refsource_MISC |
| https://github.com/xmldom/xmldom/commit/fda7cc313… | x_refsource_MISC |
| https://github.com/xmldom/xmldom/releases/tag/0.8.13 | x_refsource_MISC |
| https://github.com/xmldom/xmldom/releases/tag/0.9.10 | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2026-41672 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2467631 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:26234 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:60520 | vendor-advisoryx_refsource_REDHAT |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| xmldom | xmldom |
Affected:
xmldom <= 0.6.0
Affected: @xmldom/xmldom >= 0.9.0, < 0.9.10 Affected: @xmldom/xmldom < 0.8.13 |
|
| Red Hat | Red Hat Developer Hub 1.9 |
Unaffected:
1781187342 , < *
(rpm)
cpe:/a:redhat:rhdh:1.9::el9 |
|
| Red Hat | Red Hat OpenShift AI 3.4 |
Unaffected:
1787121387 , < *
(rpm)
cpe:/a:redhat:openshift_ai:3.4::el9 |
|
| Red Hat | Red Hat Build of Podman Desktop |
cpe:/a:redhat:podman_desktop:1
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Fuse 7 |
cpe:/a:redhat:jboss_fuse:7
|
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai
|
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4
|
|
| Red Hat | Self-service automation portal 2 |
cpe:/a:redhat:ansible_portal:2
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{
"status": "affected",
"version": "@xmldom/xmldom \u003e= 0.9.0, \u003c 0.9.10"
},
{
"status": "affected",
"version": "@xmldom/xmldom \u003c 0.8.13"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module. In @xmldom/xmldom prior to versions 0.9.10 and 0.8.13 and xmldom version 0.6.0 and prior, the package allows attacker-controlled comment content to be serialized into XML without validating or neutralizing comment-breaking sequences. As a result, an attacker can terminate the comment early and inject arbitrary XML nodes into the serialized output. This issue has been patched in versions @xmldom/xmldom versions 0.9.10 and 0.8.13."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "HIGH"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-91",
"description": "CWE-91: XML Injection (aka Blind XPath Injection)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-07T03:36:16.914Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/xmldom/xmldom/security/advisories/GHSA-j759-j44w-7fr8",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/xmldom/xmldom/security/advisories/GHSA-j759-j44w-7fr8"
},
{
"name": "https://github.com/xmldom/xmldom/pull/987",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/xmldom/xmldom/pull/987"
},
{
"name": "https://github.com/xmldom/xmldom/commit/b397540889086da868c30c366ad5c220d1a750c7",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/xmldom/xmldom/commit/b397540889086da868c30c366ad5c220d1a750c7"
},
{
"name": "https://github.com/xmldom/xmldom/commit/fda7cc313de30243fea35cada64e0bb12099c2a1",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/xmldom/xmldom/commit/fda7cc313de30243fea35cada64e0bb12099c2a1"
},
{
"name": "https://github.com/xmldom/xmldom/releases/tag/0.8.13",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/xmldom/xmldom/releases/tag/0.8.13"
},
{
"name": "https://github.com/xmldom/xmldom/releases/tag/0.9.10",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/xmldom/xmldom/releases/tag/0.9.10"
}
],
"source": {
"advisory": "GHSA-j759-j44w-7fr8",
"discovery": "UNKNOWN"
},
"title": "xmldom: XML node injection through unvalidated comment serialization"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-41672",
"datePublished": "2026-05-07T03:36:16.914Z",
"dateReserved": "2026-04-22T03:53:24.405Z",
"dateUpdated": "2026-08-28T12:04:23.913Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Mitigation MIT-5
Implementation
Strategy: Input Validation
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
CAPEC-250: XML Injection
An attacker utilizes crafted XML user-controllable input to probe, attack, and inject data into the XML database, using techniques similar to SQL injection. The user-controllable input can allow for unauthorized viewing of data, bypassing authentication or the front-end application for direct XML database access, and possibly altering database information.
CAPEC-83: XPath Injection
An attacker can craft special user-controllable input consisting of XPath expressions to inject the XML database and bypass authentication or glean information that they normally would not be able to. XPath Injection enables an attacker to talk directly to the XML database, thus bypassing the application completely. XPath Injection results from the failure of an application to properly sanitize input used as part of dynamic XPath expressions used to query an XML database.