KeyCAPTCHA WordPress Plugin Cross-Site Request Forgery Vulnerability Allowing Stored Cross-Site Scripting

A Cross-Site Request Forgery (CSRF) vulnerability has been identified in the KeyCAPTCHA WordPress plugin, specifically in versions through 2.5.1. This vulnerability allows for Stored Cross-Site Scripting (XSS) attacks, where malicious scripts can be injected and executed within the user's browser.

Impact

Exploitation of this vulnerability could enable attackers to perform unauthorized actions on behalf of users with higher privileges, potentially leading to the injection of malicious scripts that are stored and executed later.

Remediation

Users are advised to remove and replace the KeyCAPTCHA WordPress plugin, as it is likely abandoned and will not receive further updates or fixes.