• Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Versions: 3.0.0-3.9.15
  • Exploit type: XSS
  • Reported Date: 2020-February-24
  • Fixed Date: 2020-March-10
  • CVE Number: CVE-2020-10242


Inadequate handling of CSS selectors in the Protostar and Beez3 JavaScript allow XSS attacks.

Affected Installs

Joomla! CMS versions 3.0.0 - 3.9.15


Upgrade to version 3.9.16


The JSST at the Joomla! Security Centre.

Reported By: Pham Van Khanh