Overview
- Description
- Cross-site scripting (XSS) vulnerability in the Parser::replaceInternalLinks2 method in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote attackers to inject arbitrary web script or HTML via vectors involving replacement of percent encoding in unclosed internal links.
- Source
- secalert@redhat.com
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 6.1
- Impact score
- 2.7
- Exploitability score
- 2.8
- Vector string
- CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 4.3
- Impact score
- 2.9
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:N/I:P/A:N
Weaknesses
- nvd@nist.gov
- CWE-79
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F26807BC-B2F2-480D-B5B1-C2D64933A0C8",
"versionEndIncluding": "1.23.14"
},
{
"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.26.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7B418525-DAC2-461A-B931-BED05CC3AFBF"
},
{
"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.26.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8C238723-5592-4F0F-869D-91B64DD14FBF"
},
{
"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.26.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "22685E70-3EE0-484B-8A4C-139C28BDD2B1"
},
{
"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.26.3:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3BD0A725-B06B-456D-8A8B-9DA5468935FA"
},
{
"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.26.4:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7ED98FFC-4397-4F27-AC36-BB7A42A92F89"
},
{
"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.27.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F75E06F7-6D23-4BEB-80B4-3DE33193CA95"
}
],
"operator": "OR"
}
]
}
]