Medium severity5.4NVD Advisory· Published Apr 22, 2021· Updated Jun 17, 2026
CVE-2021-31554
CVE-2021-31554
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4- Range: <=1.35.2
- MediaWiki/AbuseFilter extensiondescription
Patches
Vulnerability mechanics
References
2- gerrit.wikimedia.org/r/q/Ie1f4333d5b1c9d17fb2236fe38a31de427a4cc48nvdIssue TrackingVendor Advisory
- phabricator.wikimedia.org/T272244nvdThird Party Advisory
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