Description
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Wikimedia Foundation MediaWiki - CSS extension allows Path Traversal.This issue affects MediaWiki - CSS extension: 1.44, 1.43, 1.39.
References (2)
Core 2
Core References
Issue Tracking
https://phabricator.wikimedia.org/T401526
Scores
CVSS v3
7.5
EPSS
0.0038
EPSS Percentile
29.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-22
Status
published
Products (1)
css_project/css
Published
Jan 07, 2026
Tracked Since
Feb 18, 2026