High severity7.4NVD Advisory· Published May 5, 2024· Updated Jun 17, 2026

CVE-2024-34507

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

MediaWiki/Mediawiki3 versions
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*range: <1.39.7
- (no CPE)
- (no CPE)range: before 1.39.7, 1.40.x before 1.40.3, and 1.41.x before 1.41.1
Fedoraproject/Fedora
cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
osv-coords
pkg:bitnami/mediawiki
Range: < 1.41.1

Patches

Vulnerability mechanics

References

phabricator.wikimedia.org/T355538nvdExploitIssue TrackingVendor Advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/nvdThird Party Advisory
lists.fedoraproject.org/archives/list/[email protected]/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/nvd

News mentions

No linked articles in our index yet.

cvss	0.481
epss	0.001
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000