CVE-2024-34507

mediawiki: cross-site scripting

Published May 5, 2024 CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:mediawiki:mediawiki:-:*:*:*:*:*:*:*
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Fedoraproject
Fedoraproject fedora
Mediawiki
Mediawiki mediawiki
CPEs cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
Vendors & Products Fedoraproject
Fedoraproject fedora
Mediawiki
Mediawiki mediawiki
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 4, 2025, 5:20 PM
Reserved
May 5, 2024, 12:00 AM
Status
Modified
Published
May 5, 2024, 7:15 PM
Modified
Jun 17, 2026, 7:33 AM
Severity
Moderate
Public date
May 5, 2024, 12:00 AM