What is CVE-2026-11881?

CVE-2026-11881 is a medium-severity vulnerability in Fluent Forms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-07-30.

How severe is CVE-2026-11881?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Fluent Forms

CVE-2026-11881

The Fluent Forms WordPress plugin before 6.2.6 does not sanitise and escape one of its form field configuration settings before outputting it inside an inline script when a form is rendered, which could allow users with a role as low as C…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Unknown Fluent Forms — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-11881?: CVE-2026-11881 is a medium-severity vulnerability in Fluent Forms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-07-30.
How severe is CVE-2026-11881?: Medium severity. CVSS v3 base score is 6.1 out of 10.