An issue was discovered in Joomla! before 3.9.16. Missing length checks in the user table can lead to the creation of users with duplicate usernames and/or email addresses.
An issue was discovered in Joomla! before 3.9.16. The lack of type casting of a variable in a SQL statement leads to a SQL injection vulnerability in the Featured Articles frontend menutype.
SQL injection vulnerability in the EQ Event Calendar component for Joomla! allows remote attackers to execute arbitrary SQL commands via the id parameter to eqfullevent.
Cross-site scripting (XSS) vulnerability in manage.php in the PBBooking (com_pbbooking) component 2.4 for Joomla! allows remote attackers to inject arbitrary web script or HTML via the an arbitrary parameter in an edit action to administrator/index.php.