Joomla Extension - joomlart.com - Open mail relay via contact AJAX endpoint in T4 Page Builder extension < 2.3.0 - The front-end JSON editor endpoint exposes an action called contact that requires no authentication, no CSRF token, no captcha (when no captcha plugin is enabled) and has no rate limiting. The attacker fully controls the recipient, subject and HTML body, and the mail is sent from the site's configured sender identity (mailfrom/fromname).

Directory traversal vulnerability in the JA Voice (comjavoice) component 2.0 for Joomla! allows remote attackers to read arbitrary files via a .. (dot dot) in the view parameter to index.php.

Directory traversal vulnerability in the JA Showcase (comjashowcase) component for Joomla! allows remote attackers to read arbitrary files via a .. (dot dot) in the controller parameter in a jashowcase action to index.php.

SQLi vulnerability in S5 Register module for Joomla.