PT-2026-99121 · Mediawiki · Templatesandbox Extension

Cookmeplox

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CVE-2026-100376

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Published

2026-09-25

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Updated

2026-09-28

CVSS v4.0

4.8

Medium

VectorAV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L
Name of the Vulnerable Software and Affected Versions Mediawiki - TemplateSandbox Extension versions prior to 1.46.1 Mediawiki - TemplateSandbox Extension version 1.45.5 Mediawiki - TemplateSandbox Extension version 1.43.10
Description Improper neutralization of input during web page generation allows for Cross-Site Scripting (XSS), a condition where malicious scripts are injected into trusted websites.
Recommendations Update Mediawiki - TemplateSandbox Extension to a version newer than 1.46.1. Update Mediawiki - TemplateSandbox Extension to a version newer than 1.45.5. Update Mediawiki - TemplateSandbox Extension to a version newer than 1.43.10.

Fix

XSS

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Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-100376

Affected Products

Templatesandbox Extension