The WP Hide & Security Enhancer plugin for WordPress is vulnerable to arbitrary file contents deletion due to a missing authorization and insufficient file path validation in the file-process.php in all versions up to, and including, 2.5.1. This makes it possible for unauthenticated attackers to delete the contents of arbitrary files on the server, which can break the site or lead to data loss.

The WP Hide & Security Enhancer WordPress plugin before 1.8 does not escape a parameter before outputting it back in an attribute of a backend page, leading to a Reflected Cross-Site Scripting