CVE-2021-24907 Everest Forms < 1.8.0 - Reflected Cross-Site Scripting

What is CVE-2021-24907?

CVE-2021-24907 is a medium-severity cross-site scripting vulnerability in Unknown Contact Form, Drag and Drop Form Builder for WordPress – Everest Forms, published on 21 Dec 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The Contact Form, Drag and Drop Form Builder for WordPress plugin before 1.8.0 does not escape the status parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue

Weakness: CWE-79

Which versions are affected by CVE-2021-24907?

It affects 1 product.

Products include Wpeverest Everest Forms.

How do I fix CVE-2021-24907?

No fix has been published for CVE-2021-24907 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-24907 being exploited?

There is no known exploitation of CVE-2021-24907 in the wild and no public exploit code.

Other vulnerabilities in Unknown Contact Form, Drag and Drop Form Builder for WordPress – Everest Forms

• CVE-2025-3439 Deserialization in Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder Critical 9.8
• CVE-2025-1128 Everest Forms <= 3.0.9.4 - Unauthenticated Arbitrary File Upload, Read, and Deletion Critical 9.8
• CVE-2019-13575 SQL injection in n/a Critical 9.8
• CVE-2025-5927 Everest Forms (Pro) <= 1.9.4 - Unauthenticated Path Traversal to Arbitrary File Deletion High 7.5
• CVE-2024-1812 Everest Forms <= 2.0.7 - Unauthenticated Server-Side Request Forgery via font_url High 7.2

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-cg8f-cgq8-xchm.