CVE-2026-0669

Published: Jan 7, 2026Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability: 3.9 / Impact: 3.6

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (1)

Products: Css Project: Css

Css Project

1 product

Css

Configuration A

1 vulnerable · 3 platform

Vulnerable Software	Affected Versions
Css Project Css	All versions

Running on/with	Platform Versions
Mediawiki Mediawiki	Version 1.39.0
Mediawiki Mediawiki	Version 1.43.0
Mediawiki Mediawiki	Version 1.44.0

Related CWEs

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (2)

https://gerrit.wikimedia.org/r/q/Ia15bf3f2e5a341868568492a736ac3dbf706c22e

Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

Patch

https://phabricator.wikimedia.org/T401526

Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

ExploitIssue Tracking

Timeline

No history available yet.