CVE-2021-36127

PoC —

CVSS 3.1

4.3 medium

EPSS

<1%p53

Published

Jul 2, 2021 (Jul 2, 2021)

Modified

Jun 17, 2026

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).

Vendors: mediawiki
Products: mediawiki
Weakness: CWE-922
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.7%)

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