• Project: Joomla!
• SubProject: CMS
• Impact: High
• Severity: Low
• Versions: 3.9.0-3.9.14
• Exploit type: XSS
• Reported Date: 2019-December-25
• Fixed Date: 2020-January-28
• CVE Number: CVE-2020-8421

Description

Inadequate escaping of usernames allow XSS attacks in com_actionlogs.

Affected Installs

Joomla! CMS versions 3.9.0 - 3.9.14

Solution

Upgrade to version 3.9.15

Contact

The JSST at the Joomla! Security Centre.