• Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Versions: 3.0.0-3.9.18
  • Exploit type: XSS
  • Reported Date: 2020-May-06
  • Fixed Date: 2020-June-02
  • CVE Number: CVE-2020-13761


Lack of input validation in the heading tag option of the "Articles – Newsflash" and "Articles - Categories" modules allow XSS attacks.

Affected Installs

Joomla! CMS versions 3.0.0 - 3.9.18


Upgrade to version 3.9.19


The JSST at the Joomla! Security Centre.

Reported By: Bui Duc Anh Khoa from Viettel Cyber Security