An issue was discovered in Joomla! before 3.8.13. com_installer actions do not have sufficient CSRF hardening in the backend.

An issue was discovered in Joomla! before 3.8.13. If an attacker gets access to the mail account of an user who can approve admin verifications in the registration process, he can activate himself.

An issue was discovered in Joomla! before 3.8.13. Inadequate checks on the tags search fields can lead to an access level violation.

An issue was discovered in Joomla! before 3.8.13. Inadequate checks in com_contact could allow mail submission in disabled forms.

SQL Injection exists in the Music Collection 3.0.3 component for Joomla! via the id parameter.

The CWJoomla CW Article Attachments PRO extension before 2.0.7 and CW Article Attachments FREE extension before 1.0.6 for Joomla! allow SQL Injection within download.php.

An issue was discovered in Joomla! before 3.8.12. Inadequate output filtering on the user profile page could lead to a stored XSS attack.

An issue was discovered in Joomla! before 3.8.12. Inadequate checks in the InputFilter class could allow specifically prepared phar files to pass the upload filter.

An issue was discovered in Joomla! before 3.8.12. Inadequate checks regarding disabled fields can lead to an ACL violation.

An issue was discovered in Joomla! 2.5.0 through 3.8.8 before 3.8.9. The autoload code checks classnames to be valid, using the "class_exists" function in PHP. In PHP 5.3, this function validates invalid names as valid, which can result in a Local File Inclusion.