Description
An issue was discovered in includes/CommentFormatter/CommentParser.php in MediaWiki before 1.39.7, 1.40.x before 1.40.3, and 1.41.x before 1.41.1. XSS can occur because of mishandling of the 0x1b character, as demonstrated by Special:RecentChanges#%1b0000000.
CVSS Metrics
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
- Attack Vector
- network
- Complexity
- low
- Privileges
- none
- User Action
- required
- Scope
- changed
- Confidentiality
- high
- Integrity
- none
- Availability
- none
- Weaknesses
- CWE-80
Metadata
- Primary Vendor
- MEDIAWIKI
- Published
- 5/5/2024
- Last Modified
- 11/4/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
mediawiki : mediawikimediawiki : mediawikimediawiki : mediawikifedoraproject : fedora
AI-Powered Remediation
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