CVE-2021-24700 Forminator < 1.15.4 - Admin+ Stored Cross-Site Scripting

What is CVE-2021-24700?

CVE-2021-24700 is a medium-severity cross-site scripting vulnerability in Unknown Forminator – Contact Form, Payment Form & Custom Form Builder, published on 23 Nov 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The Forminator WordPress plugin before 1.15.4 does not sanitize and escape the email field label, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed

Weakness: CWE-79

Which versions are affected by CVE-2021-24700?

It affects 1 product.

Products include Incsub Forminator.

How do I fix CVE-2021-24700?

No fix has been published for CVE-2021-24700 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-2021-24700 being exploited?

There is no known exploitation of CVE-2021-24700 in the wild and no public exploit code.

Other vulnerabilities in Unknown Forminator – Contact Form, Payment Form & Custom Form Builder

• CVE-2023-4596 Forminator <= 1.24.6 - Unauthenticated Arbitrary File Upload Critical 9.8
• CVE-2025-6463 Path traversal in Forminator Forms – Contact Form, Payment Form & Custom Form Builder High 8.8
• CVE-2025-6464 Deserialization in Forminator Forms – Contact Form, Payment Form & Custom Form Builder High 7.5
• CVE-2024-7389 Forminator <= 1.29.1 - HubSpot Developer API Key Sensitive Information Exposure High 7.5
• CVE-2024-31077 SQL injection in Forminator High 7.2

Sources

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

Also known as GHSA-w47h-56cf-m4g5.