All vulnerabilities

Servers and applications

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. XSS can occur because of mishandling of the 0x1b character, as demonstrated by Special:RecentChanges#%1b0000000.

Severity
High 7.4
Published
5 May 2024
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.39.7, 1.40.3, 1.41.1
Sources
NVD

Affected software

SoftwareAffected versions
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki
  • Every version before 1.39.7
  • From 1.40.0 before 1.40.3
  • From 1.41.0 before 1.41.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2024-34507
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2024-34507