CVE-2025-7363 – MediaWiki TitleIcon Stored XSS

The following table lists the changes that have been made to the
CVE-2025-7363 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

    Jul. 08, 2025

    Action Type Old Value New Value
    Added Description The TitleIcon extension for MediaWiki is vulnerable to stored XSS through the #titleicon_unicode parser function. User input passed to this function is wrapped in an HtmlArmor object without sanitization and rendered directly into the page header, allowing attackers to inject arbitrary JavaScript.

    This issue affects Mediawiki – TitleIcon extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.

    Added CWE CWE-79
    Added Reference https://gerrit.wikimedia.org/r/q/I107ab638fecbf52b5bec3f02726ed24b1ae74429
    Added Reference https://gerrit.wikimedia.org/r/q/I2e8c73445172679634f6ec64d37cf82507dfa110
    Added Reference https://phabricator.wikimedia.org/T394721
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