CVE-2021-36127

MEDIUM

MediaWiki < 1.36 - Insecure Storage of Sensitive Information via Special:GlobalUserRights

Title source: llm
STIX 2.1

Description

An issue was discovered in the CentralAuth extension in MediaWiki through 1.36. The Special:GlobalUserRights page provided search results which, for a suppressed MediaWiki user, were different than for any other user, thus easily disclosing suppressed accounts (which are supposed to be completely hidden).

References (2)

Core 2
Core References
Exploit, Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://phabricator.wikimedia.org/T285190

Scores

CVSS v3 4.3
EPSS 0.0011
EPSS Percentile 29.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-922
Status published
Products (1)
mediawiki/mediawiki < 1.36
Published Jul 02, 2021
Tracked Since Feb 18, 2026