Description
Joomla! Core is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions by escalating their privileges. Joomla! Core versions 2.5.x ranging from 2.5.0 and up to and including 2.5.4 are vulnerable.
Remediation
Update to Joomla! Core version 2.5.5 or latest
References
Related Vulnerabilities
Joomla! Core 1.5.x Security Bypass (1.5.0 - 1.5.5)
Drupal Core 6.x Multiple Vulnerabilities (6.0 - 6.22)
WordPress 4.9.x Multiple Vulnerabilities (4.9 - 4.9.13)
Roundcube Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2010-0464)
WordPress Plugin Waitlist Woocommerce (Back in stock notifier) Cross-Site Request Forgery (2.5.1)