• Project: Joomla!
• SubProject: CMS
• Impact: Low
• Severity: Low
• Versions: 2.5.0-3.9.18
• Exploit type: Insecure Permissions
• Reported Date: 2020-April-23
• Fixed Date: 2020-June-02
• CVE Number: CVE-2020-13763

Description

The default settings of the global "textfilter" configuration doesn't block HTML inputs for 'Guest' users. With 3.9.19, the textfilter for new installations has been set to 'No HTML' for the groups 'Public', 'Guest' and 'Registered'.

Affected Installs

Joomla! CMS versions 2.5.0 - 3.9.18

Solution

Upgrade to version 3.9.19

Contact

The JSST at the Joomla! Security Centre.