CVE-2021-36127
MEDIUMMediaWiki < 1.36 - Insecure Storage of Sensitive Information via Special:GlobalUserRights
Title source: llmDescription
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
Patch, Vendor Advisory x_refsource_misc
https://gerrit.wikimedia.org/r/q/I4e4dbcad61e1d4f6fd8b038bf63d19c69081a8ec
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