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CVE-2023-6957

MEDIUM 5.4 CVSS 3.1
Published
March 13, 2024
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Description

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.

Affected WordPress components

  • Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder Plugin · fluentform
    Confirmed match Active
    Up to and including 5.1.9
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • techjewel Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder — Up to and including 5.1.9
  • fluentforms contact_form — Before 5.1.10

References

  • 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= Product
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/f4050403-6b8c-4023-b170-39f3cb68583e?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record