CVE-2024-4709

medium

Description

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 the ‘subject’ parameter in versions up to, and including, 5.1.16 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, and access granted by an administrator, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/5fe317a6-a391-441a-aac8-c8fa57e73169?source=cve

https://plugins.trac.wordpress.org/changeset/3088078/

https://plugins.trac.wordpress.org/browser/fluentform/trunk/app/Services/FormBuilder/Notifications/EmailNotification.php#L194

https://plugins.trac.wordpress.org/browser/fluentform/trunk/app/Services/FormBuilder/Notifications/EmailNotification.php#L164

https://plugins.trac.wordpress.org/browser/fluentform/trunk/app/Services/FormBuilder/Notifications/EmailNotification.php#L106

Details

Source: Mitre, NVD

Published: 2024-05-18

Updated: 2026-04-08

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.4

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00187