CVE-2024-34507

State: Published
Severity: 7.4 High
Published: May 5, 2024
Updated: Nov 4, 2025
Reserved: May 5, 2024

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.

Scores

CVSS	Score	Vector	Source
3.1	7.4 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N	CISA-ADP

Weaknesses

CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://phabricator.wikimedia.org/T355538
FEDORA-2024-2c564b942dvendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/

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