CVE-2025-3615: Fluent Forms <= 6.0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting
Description
The Fluent Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the form-submission.js script in all versions up to, and including, 6.0.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Classification
CVE ID: CVE-2025-3615
CVSS Base Severity: MEDIUM
CVSS Base Score: 6.4
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Problem Types
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Affected Products
Vendor: techjewel
Product: Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.03% (probability of being exploited)
EPSS Percentile: 7.19% (scored less or equal to compared to others)
EPSS Date: 2025-04-18 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2025-3615https://www.wordfence.com/threat-intel/vulnerabilities/id/f31bd18e-57d4-4c87-8a7c-a168e7e70061?source=cve
https://plugins.trac.wordpress.org/browser/fluentform/tags/6.0.2/assets/js/form-submission.js
https://wordpress.org/plugins/fluentform/#developers
https://plugins.trac.wordpress.org/changeset/3274693/