CVE-2026-49243 (GCVE-0-2026-49243)
Vulnerability from cvelistv5
Published
2026-09-29 14:57
Modified
2026-10-13 14:34
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
Webmin is a web-based system administration tool for Unix-like servers. Prior to version 2.650, Webmin users who click on a malicious link to their server are vulnerable to this XSS vulnerability that could be used to execute attacker-controlled commands. This issue has been patched in version 2.650.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-49243",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-29T15:21:17.952416Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-09-29T15:21:31.089Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "webmin",
"vendor": "webmin",
"versions": [
{
"status": "affected",
"version": "\u003c 2.650"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Webmin is a web-based system administration tool for Unix-like servers. Prior to version 2.650, Webmin users who click on a malicious link to their server are vulnerable to this XSS vulnerability that could be used to execute attacker-controlled commands. This issue has been patched in version 2.650."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.6,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-13T14:34:36.657Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/webmin/webmin/security/advisories/GHSA-hv4w-p8jq-2rp5",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/webmin/webmin/security/advisories/GHSA-hv4w-p8jq-2rp5"
},
{
"name": "https://github.com/webmin/webmin/commit/2d016751399ed0f4159e72a6cbcd63694a84dabf",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/webmin/webmin/commit/2d016751399ed0f4159e72a6cbcd63694a84dabf"
},
{
"name": "https://beaksec.github.io/posts/webmin-one-click-rce-via-xss",
"tags": [
"x_refsource_MISC"
],
"url": "https://beaksec.github.io/posts/webmin-one-click-rce-via-xss"
},
{
"name": "https://github.com/webmin/webmin/releases/tag/2.650",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/webmin/webmin/releases/tag/2.650"
}
],
"source": {
"advisory": "GHSA-hv4w-p8jq-2rp5",
"discovery": "UNKNOWN"
},
"title": "Webmin: Reflected XSS in the Configuration module"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-49243",
"datePublished": "2026-09-29T14:57:48.911Z",
"dateReserved": "2026-05-28T14:33:01.178Z",
"dateUpdated": "2026-10-13T14:34:36.657Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-49243\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-09-29T15:21:17.952416Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-09-29T15:21:20.893Z\"}}], \"cna\": {\"title\": \"Webmin: Reflected XSS in the Configuration module\", \"source\": {\"advisory\": \"GHSA-hv4w-p8jq-2rp5\", \"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"cvssV3_1\": {\"scope\": \"CHANGED\", \"version\": \"3.1\", \"baseScore\": 9.6, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"CRITICAL\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"vendor\": \"webmin\", \"product\": \"webmin\", \"versions\": [{\"status\": \"affected\", \"version\": \"\u003c 2.650\"}]}], \"references\": [{\"url\": \"https://github.com/webmin/webmin/security/advisories/GHSA-hv4w-p8jq-2rp5\", \"name\": \"https://github.com/webmin/webmin/security/advisories/GHSA-hv4w-p8jq-2rp5\", \"tags\": [\"x_refsource_CONFIRM\"]}, {\"url\": \"https://github.com/webmin/webmin/commit/2d016751399ed0f4159e72a6cbcd63694a84dabf\", \"name\": \"https://github.com/webmin/webmin/commit/2d016751399ed0f4159e72a6cbcd63694a84dabf\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://beaksec.github.io/posts/webmin-one-click-rce-via-xss\", \"name\": \"https://beaksec.github.io/posts/webmin-one-click-rce-via-xss\", \"tags\": [\"x_refsource_MISC\"]}, {\"url\": \"https://github.com/webmin/webmin/releases/tag/2.650\", \"name\": \"https://github.com/webmin/webmin/releases/tag/2.650\", \"tags\": [\"x_refsource_MISC\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Webmin is a web-based system administration tool for Unix-like servers. Prior to version 2.650, Webmin users who click on a malicious link to their server are vulnerable to this XSS vulnerability that could be used to execute attacker-controlled commands. This issue has been patched in version 2.650.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-79\", \"description\": \"CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"shortName\": \"GitHub_M\", \"dateUpdated\": \"2026-10-13T14:34:36.657Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-49243\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-10-13T14:34:36.657Z\", \"dateReserved\": \"2026-05-28T14:33:01.178Z\", \"assignerOrgId\": \"a0819718-46f1-4df5-94e2-005712e83aaa\", \"datePublished\": \"2026-09-29T14:57:48.911Z\", \"assignerShortName\": \"GitHub_M\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…