VULNERABILITY INTELLIGENCE

CVE-2021-31548

CVSS score6.5 MEDIUM

EPSS probability0.69%

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:N/I:H/A:N

Description

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. A MediaWiki user who is partially blocked or was unsuccessfully blocked could bypass AbuseFilter and have their edits completed.

Weakness classification

nvd@nist.gov: CWE-863

Primary references

cve@mitre.org — Issue Tracking, Third Party Advisory
cve@mitre.org — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory