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CVE-2024-34507

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.

Impact

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.

Affected products

VendorProductAffected versions
MediawikiMediawiki
before 1.39.7
from 1.40.0 before 1.40.3
from 1.41.0 before 1.41.1
FedoraprojectFedora
Version 40

Weakness classification

CWE-80

References