CVE-2023-6957
Fluent Forms <= 5.1.9 - Authenticated (Contributor+) Stored Cross-Site Scripting
CVSS Score
4.9
EPSS Score
0.0%
EPSS Percentile
0th
The Fluent Forms plugin for WordPress by Fluent Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 5.1.9 due to insufficient input sanitization and output escaping. This makes it possible for attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploitation level depends on who is granted the right to create forms by an administrator. This level can be as low as contributor, but by default is admin.
| CWE | CWE-79 |
| Vendor | techjewel |
| Product | fluent forms – customizable contact forms, survey, quiz, & conversational form builder |
| Published | Mar 13, 2024 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
techjewel / Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder
0 ≤ 5.1.9
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/f4050403-6b8c-4023-b170-39f3cb68583e?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3041316%40fluentform%2Ftrunk&old=3025740%40fluentform%2Ftrunk&sfp_email=&sfph_mail=
Credits
Pedro Paniago