CVE-2026-0669

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://gerrit.wikimedia.org/r/q/Ia15bf3f2e5a341868568492a736ac3dbf706c22e	Patch
https://phabricator.wikimedia.org/T401526	Exploit Issue Tracking

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:css_project:css:-:*:*:*:*:mediawiki:*:*

OR	cpe:2.3:a:mediawiki:mediawiki:1.39.0:-::::::
	cpe:2.3:a:mediawiki:mediawiki:1.43.0:-::::::
	cpe:2.3:a:mediawiki:mediawiki:1.44.0:::::::*

History

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Limitación Inadecuada de un Nombre de Ruta a un Directorio Restringido (’Salto de Ruta’) vulnerabilidad en la extensión CSS de Wikimedia Foundation MediaWiki permite el salto de ruta. Este problema afecta a la extensión CSS de MediaWiki: 1.44, 1.43, 1.39.

Information

Published : 2026-01-07 18:15

Updated : 2026-10-26 21:10

NVD link : CVE-2026-0669

Mitre link : CVE-2026-0669

CVE.ORG link : CVE-2026-0669

JSON object : View

Products Affected

mediawiki

mediawiki

css_project

css

CWE

CWE-22

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

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