HIGH

CVE-2026-16655

Fluent Forms <= 6.2.7 - Unauthenticated Stored Cross-Site Scripting via Name Field Nested `password` Member

CVSS v3

7.2

HIGH

EPSS Score

exploit probability

CISA KEV

No

known exploited

Exploitation

none

SSVC status

Description

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Name Field Nested `password` Member in all versions up to, and including, 6.2.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Technical details

CVSS v3 Vector
3.1
Published
7/29/2026
Last Modified
7/29/2026

Frequently asked questions

What is CVE-2026-16655?

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Name Field Nested `password` Member in all versions up to, and including, 6.2.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Is CVE-2026-16655 actively exploited?

Active exploitation of CVE-2026-16655 has not been confirmed. The EPSS score is N/A%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-16655?

CVE-2026-16655 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string 3.1.

Is CVE-2026-16655 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.