The The Motors – Car Dealer, Classifieds & Listing plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 1.4.43. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for authenticated attackers, with Subscriber-level access and above, to execute arbitrary shortcodes.

The Motors – Car Dealer, Classifieds & Listing plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the stm_edit_delete_user_car function in all versions up to, and including, 1.4.8. This makes it possible for unauthenticated attackers to unpublish arbitrary posts and pages.

Server-Side Request Forgery (SSRF) vulnerability in StylemixThemes Motors – Car Dealer, Classifieds & Listing.This issue affects Motors – Car Dealer, Classifieds & Listing: from n/a through 1.4.6.

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in StylemixThemes Motors – Car Dealer, Classifieds & Listing plugin <= 1.4.6 versions.

Cross-Site Request Forgery (CSRF) vulnerability in StylemixThemes Motors – Car Dealer, Classifieds & Listing plugin <= 1.4.4 versions.

The Motors WordPress plugin before 1.4.4 does not properly validate uploaded files for dangerous file types (such as .php) in an AJAX action, allowing an attacker to sign up on a victim's WordPress instance, upload a malicious PHP file and attempt to launch a brute-force attack to discover the uploaded payload.

includes/options.php in the motors-car-dealership-classified-listings (aka Motors - Car Dealer & Classified Ads) plugin through 1.4.0 for WordPress allows unauthenticated options changes.

includes/options.php in the motors-car-dealership-classified-listings (aka Motors - Car Dealer & Classified Ads) plugin through 1.4.0 for WordPress has multiple stored XSS issues.