CVE-2026-0671

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki - UploadWizard extension allows Cross-Site Scripting (XSS).This issue affects MediaWiki - UploadWizard extension: 1.45, 1.44, 1.43, 1.39.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://gerrit.wikimedia.org/r/q/I16de2211594ea9a686868ad7789f9879bf981fa1	Patch
https://phabricator.wikimedia.org/T407157	Exploit Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:wikimedia:mediawiki-extensions-uploadwizard:1.39:::::::*
	cpe:2.3:a:wikimedia:mediawiki-extensions-uploadwizard:1.43:::::::*
	cpe:2.3:a:wikimedia:mediawiki-extensions-uploadwizard:1.44:::::::*
	cpe:2.3:a:wikimedia:mediawiki-extensions-uploadwizard:1.45:::::::*

History

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Vulnerabilidad de Neutralización Incorrecta de la Entrada Durante la Generación de Páginas Web (XSS o ’cross-site scripting’) en la extensión Wikimedia Foundation MediaWiki - UploadWizard permite cross-site scripting (XSS). Este problema afecta a la extensión MediaWiki - UploadWizard: 1.45, 1.44, 1.43, 1.39.

Information

Published : 2026-01-08 17:15

Updated : 2026-10-26 21:10

NVD link : CVE-2026-0671

Mitre link : CVE-2026-0671

CVE.ORG link : CVE-2026-0671

JSON object : View

Products Affected

wikimedia

mediawiki-extensions-uploadwizard

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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