• 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


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


Upgrade to version 3.9.19


The JSST at the Joomla! Security Centre.

Reported By: Brian Teeman