CVE-2025-7363

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Wikimedia FoundationMediawiki - TitleIcon extension1.39.x < 1.39.13affected
Wikimedia FoundationMediawiki - TitleIcon extension1.42.x < 1.42.7affected
Wikimedia FoundationMediawiki - TitleIcon extension1.43.x < 1.43.2affected

Weaknesses

  • CWE-79: CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: no
    • Technical Impact: partial

Additional References

References