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...

MediaWiki Wikibase Extension 1.46.0 Cross Site Scripting

MediaWiki Wikibase Extension versions before 1.46.1, 1.45.5, and 1.43.10 contain a reflected cross site scripting vulnerability in Special:SetLabel language validation. The supplied proof of concept submits a harmless marker and detects unescaped reflection...

PT-2026-103349

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...

PT-2026-102703

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

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...

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...

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 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...

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...