UpHeron
All vulnerabilities

Servers and applications

CVE-2021-31554

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. It improperly handled account blocks for certain automatically created MediaWiki user accounts, thus allowing nefarious users to remain unblocked.

Severity
Medium 5.4
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-2021-31554
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-31554