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CVE-2023-6957

Fluent Forms <= 5.1.9 - Authenticated (Contributor+) Stored Cross-Site Scripting

Published: Mar 13, 2024Updated: Apr 4, 2025 Sources: CVE List NVDCWE-79
NVD MITRE
4.9CVSSMEDIUM
EPSS Score
0.4%
Top 70.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
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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.

CVSS Vector Breakdown

AV:NAC:HPR:LUI:NS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Buildertechjewel
On-prem
Web & CMS Plugins / wordpress-plugin
contact formfluentforms
On-prem
Web & CMS Plugins / wordpress-plugin
techjewelcommercialWeb & CMS Pluginsaka techjewel fluent forms, fluent forms pro add on pack
fluentformscommercialWeb & CMS Pluginsaka fluent forms

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/f4050403-6b8c-4023-b170-39f3cb68583e?source=cve
wordfence.com
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3041316%40fluentform%2Ftrunk&old=3025740%40fluentform%2Ftrunk&sfp_email=&sfph_mail=
plugins.trac.wordpress.org

Timeline

Published
Mar 13, 2024
Last Updated
Apr 4, 2025

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