CVE-2023-36674
MEDIUMMediaWiki <1.35.11, <1.38.7, <1.39.4, <1.40.1 - Auth Bypass
Title source: llmDescription
An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, 1.39.x before 1.39.4, and 1.40.x before 1.40.1. It is possible to bypass the Bad image list (aka badFile) by using the thumb parameter (aka Manualthumb) of the File syntax.
References (4)
Core 4
Core References
Issue Tracking, Patch
https://phabricator.wikimedia.org/T335612
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DOAXEGYBOEM4JWB4J3BDH73NK2LCYC3O/
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2UIVGYECQGTUC2LLPVCZBPDLCTOHL2F6/
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6CHRX6DSLAMVXCV2YMJEWOLTBEYSESE5/
Scores
CVSS v3
5.3
EPSS
0.0004
EPSS Percentile
13.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-20
Status
published
Products (2)
mediawiki/mediawiki
1.40.0
mediawiki/mediawiki
< 1.35.11
Published
Aug 20, 2023
Tracked Since
Feb 18, 2026