#VU111763 Stored cross-site scripting in WP Fluent Form - Contact Form Plugin for WordPress with Advanced Form Builder Features - CVE-2025-3615

Vulnerability identifier: #VU111763

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-3615

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WP Fluent Form - Contact Form Plugin for WordPress with Advanced Form Builder Features
Web applications / Modules and components for CMS

Vendor: WPManageNinja LLC

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the form-submission.js script. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install update from vendor's website.

Vulnerable software versions

WP Fluent Form - Contact Form Plugin for WordPress with Advanced Form Builder Features: 6.0.0 - 6.0.2

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External links
https://plugins.trac.wordpress.org/browser/fluentform/tags/6.0.2/assets/js/form-submission.js
https://plugins.trac.wordpress.org/changeset/3274693/
https://wordpress.org/plugins/fluentform/#developers
https://www.wordfence.com/threat-intel/vulnerabilities/id/f31bd18e-57d4-4c87-8a7c-a168e7e70061?source=cve

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.