Description
Joomla! Core is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently delete private messages. Joomla! Core versions 3.0.x ranging from 3.0.0 and up to and including 3.0.3 are vulnerable.
Remediation
Update to Joomla! Core version 3.0.4 or latest
References
Related Vulnerabilities
WordPress 2.0.3 Multiple Unspecified Security Vulnerabilities (2.0 - 2.0.3)
WordPress Plugin Catch Gallery Security Bypass (1.6.8)
WordPress Plugin Browsealoud Crypto Mining (1.4)
WordPress Plugin eHive Account Details Cross-Site Scripting (2.1.2)
WordPress Plugin Rimons Twitter Widget Cross-Site Scripting (1.2.4)