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AIKIDO-2026-85471

mediawiki/semantic-media-wiki is vulnerable to Cross-Site Scripting (XSS)

Cross-Site Scripting (XSS)GHSA-2gfw-3hj2-wfq5 Published 2 days ago

61

Medium Risk

This Affects:

PHPmediawiki/semantic-media-wiki
2.5.0 - 7.3.0
Fixed in 7.3.1
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TL;DR

Special:Browse outputs the value of an External identifier property directly into the page without HTML escaping, so a value containing script markup runs in the browser of anyone who views that page, leading to stored cross-site scripting. The patch escapes the formatted value before it is output.

Who does this affect?

You are affected if you are using a version that falls within the vulnerable range.

Background info

mediawiki/semantic-media-wiki is vulnerable to Cross-Site Scripting (XSS) in versions 2.5.0 - 7.3.0.

How to fix this

Upgrade the mediawiki/semantic-media-wiki library to the patch version.

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