Unauthorized Option Deletion Vulnerability in Pearl's Header Builder Plugin Could Lead to Denial of Service Attacks

Summary

The WordPress Header Builder Plugin – Pearl plugin for WordPress is vulnerable to unauthorized site option deletion due to a missing validation and capability checks on the stm_hb_delete() function in all versions up to, and including, 1.3.7. This makes it possible for unauthenticated attackers to delete arbitrary options that can be used to perform a denial of service attack on a site.