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[20190301] - Core - XSS in com_config JSON handler

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity: Low
  • Versions: 3.2.0 through 3.9.3
  • Exploit type: XSS
  • Reported Date: 2019-March-04
  • Fixed Date: 2019-March-12
  • CVE Number: CVE-2019-9712

Description

The JSON handler in com_config lacks input validation, leading to XSS vulnerability.

Affected Installs

Joomla! CMS versions 3.2.0 through 3.9.3

Solution

Upgrade to version 3.9.4

Contact

The JSST at the Joomla! Security Centre.

Reported By: Mario Korth, Hackmanit