CVE-2024-8542 is a critical Stored Cross-Site Scripting (XSS) vulnerability affecting the Everest Forms plugin, used by over 100,000 WordPress installations to create forms. This flaw allows contributors or editors to inject malicious JavaScript (JS) into the form’s settings, specifically in the “No field” section of the YES/NO block. Once exploited, the vulnerability can lead to admin account takeovers, the creation of backdoors, and long-term control of the WordPress site.
CVE-2024-8542 – Everest Forms – Stored XSS to Backdoor Creation – POC
