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[20190602] - Core - XSS in subform field

  • Project: Joomla!
  • SubProject: CMS
  • Impact: Moderate
  • Severity: Low
  • Versions: 3.6.0 through 3.9.6
  • Exploit type: XSS
  • Reported Date: 2019-January-01
  • Fixed Date: 2019-June-11
  • CVE Number: CVE-2019-12766

Description

The subform fieldtype does not sufficiently filter or validate input of subfields, this leads to XSS attack vectors.

Affected Installs

Joomla! CMS versions 3.6.0 through 3.9.6

Solution

Upgrade to version 3.9.7

Contact

The JSST at the Joomla! Security Centre.

Reported By: Volkmar Schlothauer, ghsvs.de