LTL Freight Quotes WordPress plugin vulnerabilities

The LTL Freight Quotes WordPress plugin before 4.2.19 does not perform any authorization check or input sanitization before storing certain values from a request. This allows unauthenticated users to inject HTML and links that are rendered to visitors on the storefront.

The LTL Freight Quotes WordPress plugin before 4.2.19 does not perform any authorization check or validation on one of its REST routes that writes to the database. This allows unauthenticated users to modify some of the plugin's stored settings.

The LTL Freight Quotes WordPress plugin before 4.2.19 does not sanitise and escape a parameter before using it in a SQL statement, leading to a SQL injection exploitable by unauthenticated users.

The LTL Freight Quotes WordPress plugin before 4.2.19 does not sanitise and escape values submitted through an unauthenticated endpoint before storing them and outputting them back in an administrative page, leading to Stored XSS which will execute in the session of any administrator viewing it.