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CVE-2026-0671

Multiple stored i18n/message-key XSSes in UploadWizard

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 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Vendors
Mediawiki Wikimedia
Products
Mediawiki Mediawiki-extensions-uploadwizard Mediawiki-uploadwizard Extension