Vulnerability Database

317,182

Total vulnerabilities in the database

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.

  • Published: Apr 22, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-31554
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.4
  • AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

CVSS v2:

  • Severity: Medium
  • Score: 5.5
  • AV:N/AC:L/Au:S/C:P/I:P/A:N

CWEs:

Software From Fixed in
mediawiki / mediawiki - 1.35.2.x