[20200602] – Core – Inconsistent default textfilter settings

  • 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-XXX

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.

Reported By: Brain Teeman

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