• Project: Joomla!
• SubProject: CMS
• Impact: Low
• Severity: Low
• Versions: 1.0.0 through 3.9.2
• Exploit type: XSS
• Reported Date: 2018-September-24
• Fixed Date: 2019-February-12
• CVE Number: CVE-2019-7742

Description

A combination of specific webserver configurations, in connection with specific file types and browserside mime-type sniffing causes a XSS attack vector.

Affected Installs

Joomla! CMS versions 1.0.0 through 3.9.2

Solution

Upgrade to version 3.9.3

Contact

The JSST at the Joomla! Security Centre.