Description
Joomla! Core is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently overwrite the author of an article. Joomla! Core versions ranging from 1.6.0 and up to and including 3.6.5 are vulnerable.
Remediation
Update to Joomla! Core version 3.7.0 or latest
References
Related Vulnerabilities
WordPress Plugin Easy Digital Downloads Attach Accounts to Orders Cross-Site Scripting (2.0.1)
WordPress Plugin Annonces 'theme.php' Arbitrary File Upload (1.2.0.1)
WordPress Plugin jcwp youtube channel embed Cross-Site Scripting (1.5.2)
Joomla! Core 1.0.x Multiple Unspecified Vulnerabilities (1.0.0 - 1.0.5)