CVE-2021-31548

Published: Apr 22, 2021Modified: Nov 21, 2024

6.5

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Exploitability: 2.8 / Impact: 3.6

Source: NVD

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.

Affected (1)

Products: Mediawiki: Mediawiki

Mediawiki

1 product

Mediawiki

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Mediawiki Mediawiki	Up to 1.35.2

Related CWEs

CWE-863

Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

References (4)

https://gerrit.wikimedia.org/r/q/Ifac795125927d584a31d95e1b4c4241eef860fa1

Source: cve@mitre.org

Issue TrackingThird Party Advisory

https://phabricator.wikimedia.org/T272333

Source: cve@mitre.org

Third Party Advisory

https://gerrit.wikimedia.org/r/q/Ifac795125927d584a31d95e1b4c4241eef860fa1

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingThird Party Advisory

https://phabricator.wikimedia.org/T272333

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.