CVE-2024-34507

PoC —

CVSS 3.1

7.4 high

EPSS

<1%p50

Published

May 5, 2024 (May 5, 2024)

Modified

Jun 17, 2026

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.

Vendors: mediawiki fedoraproject
Products: mediawiki, fedora
Weakness: CWE-80
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.7%)

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