VULNERABILITY INTELLIGENCE
CVE-2021-31549
CVSS score4.3 MEDIUM
EPSS probability0.80%
CISA KEVNot currently listed
Published2021-04-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Description
An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. The Special:AbuseFilter/examine form allowed for the disclosure of suppressed MediaWiki usernames to unprivileged users.
Weakness classification
- nvd@nist.gov: CWE-200
Primary references
- cve@mitre.org — Issue Tracking, Vendor Advisory
- cve@mitre.org — Issue Tracking, Vendor Advisory
- cve@mitre.org — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory