CVE-2026-0671

Medium

Description

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.

SeverityMedium
CVSS6.1
Exploit probability—
ProductWikimedia Mediawiki-extensions-uploadwizard
PublishedJan 8, 2026
First seenJan 8, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
wikimedia mediawiki-extensions-uploadwizard1.39, 1.43, 1.44, 1.45—

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CVE-2026-0671 · Wikimedia Mediawiki-extensions-uploadwizard · Dark Radar