How severe is CVE-2026-12127?

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

Vulnerability in Smub Wpforms – Ai Form Builder For Wordpress Contact Forms, Payment Survey Form, Quiz & More

CVE-2026-12127

The WPForms – Easy Form Builder for WordPress – Contact Forms, Payment Forms, Surveys, & More plugin for WordPress is vulnerable to Improper Neutralization of CRLF Sequences ('CRLF Injection') in all versions up to, and including, 1.10.2 T…

Vulnerability class: CRLF Injection

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:N/I:L/A:N.

Affected products

Smub Wpforms – Ai Form Builder For Wordpress Contact Forms, Payment Survey Form, Quiz & More — versions 0

Weakness classification (CWE)

CWE-93 — CRLF Injection

References

Frequently asked questions

What is CVE-2026-12127?: CVE-2026-12127 is a medium-severity vulnerability in Smub Wpforms – Ai Form Builder For Wordpress Contact Forms, Payment Survey Form, Quiz & More, classified under CRLF Injection. CVSS score: 5.3/10. Published 2026-07-01.
How severe is CVE-2026-12127?: Medium severity. CVSS v3 base score is 5.3 out of 10.