CVE-2023-0691 MEDIUM

CVE-2023-0691: Metform Elementor Contact Form Builder <= 3.3.1 - Authenticated (Subscriber+) Information Disclosure via mf_last_name shortcode

Vendor Roxnor
Product MetForm – Contact Form, Survey, Quiz, & Custom Form Builder for Elementor
Weakness CWE-639 · IDOR
Published June 9, 2023
Last update April 8, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

The Metform Elementor Contact Form Builder for WordPress is vulnerable to Information Disclosure via the 'mf_last_name' shortcode in versions up to, and including, 3.3.1. This allows authenticated attackers, with subscriber-level capabilities or above to obtain sensitive information about arbitrary form submissions, specifically the submitter's last name.

Explanation of Vulnerability in Simple Terms

02Summary

MetForm versions up to 3.3.1 contain an authorization flaw that allows authenticated users with low privileges to access sensitive information they should not see. The vulnerability requires a valid user account but no special interaction. Site administrators should update to a version newer than 3.3.1 to prevent unauthorized data disclosure.

What an attacker can do

03Attacker Capabilities

Read sensitive data they don't have permission to access.

Potential impact on your site

04Site Impact

User data or form submissions may be exposed to unauthorized site users.

Conditions required to exploit

05Prerequisites

Attacker must have a valid low-privilege user account on the site.

Key dates

06Disclosure timeline

June 9, 2023 CVE published
April 8, 2026 Record updated

Related vulnerabilities

08Related CVE