CVE-2026-100240

Missing Authorization vulnerability in Wikimedia Foundation Mediawiki - TemplateSandbox Extension allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Mediawiki - TemplateSandbox Extension: from before 1.46.1, 1.45.5, 1.43.10...

EUVD-2026-89034

Missing Authorization vulnerability in Wikimedia Foundation Mediawiki - TemplateSandbox Extension allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Mediawiki - TemplateSandbox Extension: from before 1.46.1, 1.45.5, 1.43.10...

CVE-2026-100240

The Mediawiki - TemplateSandbox Extension is vulnerable to a Missing Authorization issue where it fails to check read permissions for pages being previewed. This allows users to access functionality not properly constrained by ACLs . The vulnerability affects versions prior to 1.46.1 , 1.45.5 , a...

CVE-2026-100376

A flaw was found in the MediaWiki TemplateSandbox extension. A remote attacker could exploit this vulnerability by enticing a victim into previewing a page configured with a specially crafted sandbox prefix. This flaw can lead to Cross-Site Scripting XSS, enabling the execution of arbitrary scrip...

CVE-2026-100376

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

CVE-2026-100376

The Wikimedia Foundation Mediawiki - TemplateSandbox Extension is vulnerable to Cross-Site Scripting (XSS) due to improper neutralization of input during web page generation. This vulnerability can be exploited by tricking another user into previewing a page that utilizes a specific sandbox prefi...

CVE-2026-100376 TemplateSandbox can be abused for XSS by asking another user to preview a page with a certain sandbox prefix

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

EUVD-2026-87359

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