Input validation vulnerability in Responsive Slider – Image Slider – Slideshow for WordPress 2.8.7

The Responsive Slider – Image Slider – Slideshow for WordPress plugin is a tool used on WordPress websites. Unfortunately, a security flaw was discovered in versions up to 2.8.6. An attacker who is logged into the website can use the ‘catid’ parameter to inject malicious code into the system. This malicious code can be used to extract sensitive information from the website’s database.