CVE-2024-6520: Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder <= 5.1.19 - Authenticated (Administrator+) Stored Cross-Site Scripting
The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom error message in all versions up to, and including, 5.1.19 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfilteredhtml has been disabled.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2024-6520?
CVE-2024-6520 is considered a medium severity vulnerability due to its potential for exploitation through stored cross-site scripting.
How do I fix CVE-2024-6520?
To fix CVE-2024-6520, update the Contact Form Plugin by Fluent Forms to version 5.1.20 or higher.
Who is affected by CVE-2024-6520?
CVE-2024-6520 affects all versions of the Contact Form Plugin by Fluent Forms up to and including version 5.1.19 on WordPress.
What type of vulnerability is CVE-2024-6520?
CVE-2024-6520 is a stored cross-site scripting vulnerability resulting from insufficient input sanitization and output escaping.
When was CVE-2024-6520 disclosed?
CVE-2024-6520 was disclosed in 2024 as part of security assessments for WordPress plugins.