[20190403] - Core - Object.prototype pollution in JQuery $.extend

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Low
  • Severity:Moderate
  • Versions: 3.0.0 through 3.9.4
  • Exploit type: XSS
  • Reported Date: 2019-March-25
  • Fixed Date: 2019-April-09
  • CVE Number: CVE-2019-11358

Description

The $.extend method of JQuery is vulnerable to Object.prototype pollution attacks.

Affected Installs

Joomla! CMS versions 3.0.0

through 3.9.4

Solution

Upgrade to version 3.9.5

Contact

The JSST at the Joomla! Security Centre.

Reported By: Michał Gołębiowski-Owczarek, David Jardin (JSST)