Common Weakness Enumeration
CWE-76
AllowedImproper Neutralization of Equivalent Special Elements
Abstraction: Base · Status: Draft
The product correctly neutralizes certain special elements, but it improperly neutralizes equivalent special elements.
15 vulnerabilities reference this CWE, most recent first.
CVE-2024-1883 (GCVE-0-2024-1883)
Vulnerability from cvelistv5 – Published: 2024-03-14 03:09 – Updated: 2024-09-26 03:43
VLAI
EPSS
VEX
Title
Reflected XSS in PaperCut NG/MF
Summary
This is a reflected cross site scripting vulnerability in the PaperCut NG/MF application server. An attacker can exploit this weakness by crafting a malicious URL that contains a script. When an unsuspecting user clicks on this malicious link, it could potentially lead to limited loss of confidentiality, integrity or availability.
Severity
6.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-03-15 15:24 UTC
CWE
- CWE-76 - Improper Neutralization of Equivalent Special Elements
Assigner
PaperCut
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PaperCut | PaperCut NG, PaperCut MF |
Affected:
0 , < 23.0.7
(custom)
Affected: 0 , < 22.1.5 (custom) Affected: 0 , < 21.2.14 (custom) Affected: 0 , < 20.1.10 (custom) |
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CVE-2024-1882 (GCVE-0-2024-1882)
Vulnerability from cvelistv5 – Published: 2024-03-14 03:08 – Updated: 2024-09-26 03:52
VLAI
EPSS
VEX
Title
Server-side resource injection in PaperCut NG/MF
Summary
This vulnerability allows an already authenticated admin user to create a malicious payload that could be leveraged for remote code execution on the server hosting the PaperCut NG/MF application server.
Severity
7.2 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-03-16 04:00 UTC
CWE
- CWE-76 - Improper Neutralization of Equivalent Special Elements
Assigner
PaperCut
CNA
References
1 reference
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| PaperCut | PaperCut NG, PaperCut MF |
Affected:
0 , < 23.0.7
(custom)
Affected: 0 , < 22.1.5 (custom) Affected: 0 , < 21.2.14 (custom) Affected: 0 , < 20.1.10 (custom) |
|
| papercut | papercut_ng |
Affected:
0 , < 23.0.7
(custom)
Affected: 0 , < 22.1.5 (custom) Affected: 0 , < 21.2.14 (custom) Affected: 0 , < 20.1.10 (custom) cpe:2.3:a:papercut:papercut_ng:*:*:*:*:*:*:*:* |
|
| papercut | papercut_mf |
Affected:
0 , < 23.0.7
(custom)
Affected: 0 , < 22.1.5 (custom) Affected: 0 , < 21.2.14 (custom) Affected: 0 , < 20.1.10 (custom) cpe:2.3:a:papercut:papercut_mf:*:*:*:*:*:*:*:* |
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CVE-2024-1221 (GCVE-0-2024-1221)
Vulnerability from cvelistv5 – Published: 2024-03-14 03:01 – Updated: 2024-09-26 03:46
VLAI
EPSS
VEX
Title
Improper access controls on APIs on Linux and macOS in PaperCut NG/MF
Summary
This vulnerability potentially allows files on a PaperCut NG/MF server to be exposed using a specifically formed payload against the impacted API endpoint. The attacker must carry out some reconnaissance to gain knowledge of a system token. This CVE only affects Linux and macOS PaperCut NG/MF servers.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-03-15 15:25 UTC
CWE
- CWE-76 - Improper Neutralization of Equivalent Special Elements
Assigner
PaperCut
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| PaperCut | PaperCut NG, PaperCut MF |
Affected:
0 , < 23.0.7
(custom)
Affected: 0 , < 22.1.5 (custom) Affected: 0 , < 21.2.14 (custom) Affected: 0 , < 20.1.10 (custom) |
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CVE-2023-1149 (GCVE-0-2023-1149)
Vulnerability from cvelistv5 – Published: 2023-03-02 00:00 – Updated: 2025-03-07 21:41
VLAI
EPSS
VEX
Title
Improper Neutralization of Equivalent Special Elements in btcpayserver/btcpayserver
Summary
Improper Neutralization of Equivalent Special Elements in GitHub repository btcpayserver/btcpayserver prior to 1.8.0.
Severity
5.7 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-07 21:41 UTC
CWE
- CWE-76 - Improper Neutralization of Equivalent Special Elements
Assigner
@huntrdev
CNA
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| btcpayserver | btcpayserver/btcpayserver |
Affected:
unspecified , < 1.8.0
(custom)
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CVE-2023-0493 (GCVE-0-2023-0493)
Vulnerability from cvelistv5 – Published: 2023-01-26 00:00 – Updated: 2025-03-31 16:46
VLAI
EPSS
VEX
Title
Improper Neutralization of Equivalent Special Elements in btcpayserver/btcpayserver
Summary
Improper Neutralization of Equivalent Special Elements in GitHub repository btcpayserver/btcpayserver prior to 1.7.5.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-31 16:45 UTC
CWE
- CWE-76 - Improper Neutralization of Equivalent Special Elements
Assigner
@huntrdev
CNA
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| btcpayserver | btcpayserver/btcpayserver |
Affected:
unspecified , < 1.7.5
(custom)
|
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Mitigation
Requirements
Programming languages and supporting technologies might be chosen which are not subject to these issues.
Mitigation
Implementation
Utilize an appropriate mix of allowlist and denylist parsing to filter equivalent special element syntax from all input.
No CAPEC attack patterns related to this CWE.