CVE-2026-100380

CVE-2026-100380: XSS reflejado en errores de validación de idioma Reportero: Marco Paciaroni BomboBombone. Wikibase incluía texto de error de validación de idioma sin escapar en la página SetLabel. La entrada rechazada podía devolverse como HTML ejecutable antes de que la solicitud llegara a la...

CVE-2026-103441

CVE-2026-103441: Inyección de objetos de entidad serializados en Wikibase Reportero: Marco Paciaroni BomboBombone. La API pública action=parse aceptaba entidades Wikibase serializadas en PHP. La construcción de objetos sin restricciones podía alcanzar un destructor de Smarty que elimina una ruta...

CVE-2026-103441

Deserialization of untrusted data vulnerability in The Wikimedia Foundation MediaWiki Wikibase extension allows Leverage Executable Code in Non-Executable Files. This issue affects MediaWiki Wikibase extension: 1.46, 1.45, and 1.43...

CVE-2026-103441 Unauthenticated arbitrary file deletion through Wikibase serialized entity parsing

Deserialization of untrusted data vulnerability in The Wikimedia Foundation MediaWiki Wikibase extension allows Leverage Executable Code in Non-Executable Files. This issue affects MediaWiki Wikibase extension: 1.46, 1.45, and 1.43...

CVE-2026-103441

The MediaWiki Wikibase extension (versions 1.46, 1.45, and 1.43 ) is susceptible to a deserialization of untrusted data vulnerability. This flaw occurs during the parsing of serialized entities , which can lead to the execution of arbitrary code within non-executable files. While the description ...

EUVD-2026-90073

Deserialization of untrusted data vulnerability in The Wikimedia Foundation MediaWiki Wikibase extension allows Leverage Executable Code in Non-Executable Files. This issue affects MediaWiki Wikibase extension: 1.46, 1.45, and 1.43...

CVE-2026-103441: Deserialization of Untrusted Data

Deserialization of untrusted data vulnerability in The Wikimedia Foundation MediaWiki Wikibase extension allows Leverage Executable Code in Non-Executable Files. This issue affects MediaWiki Wikibase extension: 1.46, 1.45, and 1.43...

CVE-2026-100245

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in Wikimedia Foundation Mediawiki - Wikibase Extension allows Stored XSS. This issue affects Mediawiki - Wikibase Extension: from before 1.46.1, 1.45.5, 1.43.10...

CVE-2026-100245 Stored XSS on Wikibase Special:SetSiteLink via unescaped system message

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in Wikimedia Foundation Mediawiki - Wikibase Extension allows Stored XSS. This issue affects Mediawiki - Wikibase Extension: from before 1.46.1, 1.45.5, 1.43.10...

EUVD-2026-89092

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in Wikimedia Foundation Mediawiki - Wikibase Extension allows Stored XSS. This issue affects Mediawiki - Wikibase Extension: from before 1.46.1, 1.45.5, 1.43.10...

CVE-2026-100245

The Wikimedia Foundation Mediawiki - Wikibase Extension is vulnerable to a Stored Cross-Site Scripting (XSS) flaw due to the improper neutralization of input during web page generation. Specifically, the vulnerability occurs on Wikibase Special:SetSiteLink when an unescaped system message is proc...

CVE-2026-100245 Stored XSS on Wikibase Special:SetSiteLink via unescaped system message

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in Wikimedia Foundation Mediawiki - Wikibase Extension allows Stored XSS. This issue affects Mediawiki - Wikibase Extension: from before 1.46.1, 1.45.5, 1.43.10...

CVE-2026-100245: Improper Neutralization of Input During Web Page Generation

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in Wikimedia Foundation Mediawiki - Wikibase Extension allows Stored XSS. This issue affects Mediawiki - Wikibase Extension: from before 1.46.1, 1.45.5, 1.43.10...

CVE-2026-100380

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in Wikimedia Foundation Mediawiki - Wikibase Extension allows Cross-Site Scripting XSS. This issue affects Mediawiki - Wikibase Extension: from before 1.46.1, 1.45.5, 1.43.10...

CVE-2026-100380 Reflected XSS in Wikibase Special:SetLabel language validation

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in Wikimedia Foundation Mediawiki - Wikibase Extension allows Cross-Site Scripting XSS. This issue affects Mediawiki - Wikibase Extension: from before 1.46.1, 1.45.5, 1.43.10...

CVE-2026-100380

The Wikimedia Foundation Mediawiki - Wikibase Extension is vulnerable to a Reflected Cross-Site Scripting (XSS) flaw due to improper neutralization of input during web page generation. Specifically, the issue exists within the Special:SetLabel language validation component. This vulnerability aff...

CVE-2026-100380 Reflected XSS in Wikibase Special:SetLabel language validation

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in Wikimedia Foundation Mediawiki - Wikibase Extension allows Cross-Site Scripting XSS. This issue affects Mediawiki - Wikibase Extension: from before 1.46.1, 1.45.5, 1.43.10...

EUVD-2026-87345

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in Wikimedia Foundation Mediawiki - Wikibase Extension allows Cross-Site Scripting XSS. This issue affects Mediawiki - Wikibase Extension: from before 1.46.1, 1.45.5, 1.43.10...

PT-2026-99124

Name of the Vulnerable Software and Affected Versions Mediawiki - Wikibase Extension versions prior to 1.46.1 Mediawiki - Wikibase Extension version 1.45.5 Mediawiki - Wikibase Extension version 1.43.10 Description Improper neutralization of input during web page generation allows for Cross-Site...

CVE-2026-100380: Improper Neutralization of Input During Web Page Generation

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in Wikimedia Foundation Mediawiki - Wikibase Extension allows Cross-Site Scripting XSS. This issue affects Mediawiki - Wikibase Extension: from before 1.46.1, 1.45.5, 1.43.10...