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Signals Exploited in the wild (KEV) 0 Patch available 0 No fix listed 1 Has CVE 1

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Weakness (CWE) CWE-79 Improper Neutralization of Input During Web Page Generation 1

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Vendor: Wikimedia Foundation × Component: Mediawiki-extensions-uploadwizard × Clear all filters

TI-2026-00464 CVE-2026-0671 · GHSA-79p6-j87f-jqp9

Multiple stored i18n/message-key XSSes in UploadWizard

Priority LOW 27

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 Me…

CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.00241 · Published 2026-01-08 · No fix listed CWE-79

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