What is CVE-2026-0633?

CVE-2026-0633 is a low-severity vulnerability in Roxnor Metform – Contact Form, Survey, Quiz, & Custom Form Builder For Elementor, classified under Improper Authentication. CVSS score: 3.7/10. Published 2026-01-24.

How severe is CVE-2026-0633?

Low severity. CVSS v3 base score is 3.7 out of 10.

Auth bypass in Roxnor Metform – Contact Form, Survey, Quiz, & Custom Form Builder For Elementor

CVE-2026-0633

The MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 4.1.0. This is due to the use of a forgeable cookie value derived only from the entry ID and current user ID without a server-side secret. This makes it possible for unauthenticated attackers to access form submission entry data via MetForm shortcodes for entries created within the transient TTL (default is 15 minutes).

Vulnerability class: Broken Authentication

Published 2026-01-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (10.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Roxnor Metform – Contact Form, Survey, Quiz, & Custom Form Builder For Elementor — versions 0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

Frequently asked questions

What is CVE-2026-0633?: CVE-2026-0633 is a low-severity vulnerability in Roxnor Metform – Contact Form, Survey, Quiz, & Custom Form Builder For Elementor, classified under Improper Authentication. CVSS score: 3.7/10. Published 2026-01-24.
How severe is CVE-2026-0633?: Low severity. CVSS v3 base score is 3.7 out of 10.