All vulnerabilities

Servers and applications

CVE-2024-34502

An issue was discovered in WikibaseLexeme in MediaWiki before 1.39.6, 1.40.x before 1.40.2, and 1.41.x before 1.41.1. Loading Special:MergeLexemes will (attempt to) make an edit that merges the from-id to the to-id, even if the request was not a POST request, and even if it does not contain an edit token.

Severity
Critical 9.8
Published
5 May 2024
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.39.6, 1.40.2, 1.41.1
Sources
NVD

Affected software

SoftwareAffected versions
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki
  • Every version before 1.39.6
  • From 1.40.0 before 1.40.2
  • From 1.41.0 before 1.41.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2024-34502
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2024-34502