Arbitrary Script Injection Vulnerability in Contact Form Plugin
CVE-2024-6520

4.4MEDIUM

Key Information:

Vendor

WordPress
Status
Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder
Vendor
CVE Published:
27 July 2024

What is CVE-2024-6520?

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 unfiltered_html has been disabled.

Affected Version(s)

Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder 0 <= 5.1.19

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://wordpress.org/plugins/fluentform/#developers
https://plugins.trac.wordpress.org/changeset/3125227/

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Joel Indra
Yoel Indra Apelansa
.