CVE-2024-9651 Contact Form Plugin by Fluent Forms < 5.2.1 - Admin+ Stored XSS

What is CVE-2024-9651?

CVE-2024-9651 is a medium-severity cross-site scripting vulnerability in Unknown Fluent Forms, published on 9 Dec 2024. 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 Fluent Forms WordPress plugin before 5.2.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Weakness: CWE-79

Which versions are affected by CVE-2024-9651?

It affects 1 product.

Products include Fluentforms Contact Form.

How do I fix CVE-2024-9651?

No fix has been published for CVE-2024-9651 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-2024-9651 being exploited?

There is no known exploitation of CVE-2024-9651 in the wild and no public exploit code.

Other vulnerabilities in Unknown Fluent Forms

• CVE-2024-2771 Missing authorization in Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder Critical 9.8
• CVE-2022-3463 FluentForm < 4.3.13 - CSV Injection Critical 9.8
• CVE-2021-34620 CSRF in WP Fluent Forms < 3.6.67 allows stored XSS and Privilege Escalation High 8.8
• CVE-2024-4157 Deserialization in Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder High 7.5
• CVE-2024-2782 Missing authorization in Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder High 7.5

Sources

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

Also known as GHSA-2v3j-xqf9-rv5m.