Description
In MediaWiki through 1.33.0, Special:Redirect allows information disclosure of suppressed usernames via a User ID Lookup.
References (5)
Core 5
Core References
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://phabricator.wikimedia.org/T230402
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7OMG3BMUHGWTAPYTK2NXM6CXF6FYLOUO/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2019/dsa-4545
Mailing List, Third Party Advisory mailing-list
x_refsource_bugtraq
https://seclists.org/bugtraq/2019/Oct/32
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QBAOLXETM5BOYQG6OQVHGB2LNLZUXVN6/
Scores
CVSS v3
5.3
EPSS
0.0042
EPSS Percentile
61.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Details
CWE
CWE-862
Status
published
Products (6)
debian/debian_linux
9.0
debian/debian_linux
10.0
fedoraproject/fedora
30
fedoraproject/fedora
31
mediawiki/core
1.31.0 - 1.31.4Packagist
mediawiki/mediawiki
< 1.33.0
Published
Sep 26, 2019
Tracked Since
Feb 18, 2026