How severe is CVE-2026-17567?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Wpmanageninja Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder

CVE-2026-17567

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 6.2.8 via the 'transaction' parameter d…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

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

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

Frequently asked questions

What is CVE-2026-17567?: CVE-2026-17567 is a medium-severity vulnerability in Wpmanageninja Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-07-31.
How severe is CVE-2026-17567?: Medium severity. CVSS v3 base score is 5.3 out of 10.