All vulnerabilities

Servers and applications

CVE-2021-31545

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. The page_recent_contributors leaked the existence of certain deleted MediaWiki usernames, related to rev_deleted.

Severity
Medium 5.3
Published
22 Apr 2021
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki
  • Every version up to 1.35.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-31545
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-31545