CVE-2021-36128

CRITICAL

MediaWiki < 1.36 - Improper Handling of Exceptional Conditions in CentralAuth Autoblocks

Title source: llm
STIX 2.1

Description

An issue was discovered in the CentralAuth extension in MediaWiki through 1.36. Autoblocks for CentralAuth-issued suppression blocks are not properly implemented.

References (3)

Core 3
Core References
Exploit, Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://phabricator.wikimedia.org/T281972

Scores

CVSS v3 9.8
EPSS 0.0057
EPSS Percentile 68.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-755
Status published
Products (1)
mediawiki/mediawiki < 1.36
Published Jul 02, 2021
Tracked Since Feb 18, 2026