How severe is CVE-2026-6828?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Techjewel Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder

CVE-2026-6828

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'permission_message' parameter in all versions up to, and including, 6.2.1…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (12.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Techjewel Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-6828?: CVE-2026-6828 is a medium-severity vulnerability in Techjewel Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-05-13.
How severe is CVE-2026-6828?: Medium severity. CVSS v3 base score is 6.4 out of 10.