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[20240705] - Core - XSS in com_fields default field value

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Moderate
  • Probability: Low
  • Versions: 3.7.0-3.10.15-elts, 4.0.0-4.4.5, 5.0.0-5.1.1
  • Exploit type: XSS
  • Reported Date: 2024-06-09
  • Fixed Date: 2024-07-09
  • CVE Number: CVE-2024-26278

Description

The Custom Fields component not correctly filter inputs, leading to a XSS vector.

Affected Installs

Joomla! CMS versions 3.7.0-3.10.15-elts, 4.0.0-4.4.5, 5.0.0-5.1.1

Solution

Upgrade to version 3.10.16-elts, 4.4.6 or 5.1.2

Contact

The JSST at the Joomla! Security Centre.

Reported By:  Jesper den Boer