jQuery before 3.4.0, as used in Drupal, Backdrop CMS, and other products, mishandles jQuery.extend(true, {}, ...) because of Object.prototype pollution. If an unsanitized source object contained an enumerable __proto__ property, it could extend the native Object.prototype.

An issue was discovered in Joomla! 4.0.0 through 4.2.7. An improper access check allows unauthorized access to webservice endpoints.

administrator/components/com_media/helpers/media.php in the media manager in Joomla! 2.5.x before 2.5.14 and 3.x before 3.1.5 allows remote authenticated users or remote attackers to bypass intended access restrictions and upload files with dangerous extensions via a filename with a trailing . (dot), as exploited in the wild in August 2013.

Improper Access Controls allows access to protected views.

Lack of output escaping in the id attribute of menu lists.

Various module chromes didn't properly process inputs, leading to XSS vectors.

The WPGYM - Wordpress Gym Management System plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the MJ_gmgt_user_avatar_image_upload() function in all versions up to, and including, 67.1.0. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

The WPGYM - Wordpress Gym Management System plugin for WordPress is vulnerable to privilege escalation due to a missing capability check on the MJ_gmgt_add_staff_member() function in all versions up to, and including, 67.1.0. This makes it possible for authenticated attackers, with subscriber-level access and above, to create new user accounts with the administrator role.

The stripImages and stripIframes methods didn't properly process inputs, leading to XSS vectors.

Improper Access Controls allows backend users to overwrite their username when disallowed.