CVE-2023-0085

Metform Elementor Contact Form Builder <= 3.2.1 - reCaptcha Protection Bypass

2023-03-02 00:00

Strategic Overview

Status: Patched in 3.2.2
Affected Plugin: MetForm – Contact Form, Survey, Quiz, Conditional Forms, Form Templates & Custom Form Builder for Elementor
Affected Version: <= 3.2.1
CVSS: 5.3Medium
Weakness type: CWE-693 · Protection Mechanism Failure
CVE: CVE-2023-0085

View all MetForm – Contact Form, Survey, Quiz, Conditional Forms, Form Templates & Custom Form Builder for Elementor vulnerabilities

At a glance

CVE-2023-0085 is a medium-severity Protection Mechanism Failure vulnerability in the MetForm WordPress plugin, affecting versions <= 3.2.1. It carries a CVSS score of 5.3 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 3.2.2; sites on affected versions should update now. Disclosed March 2023, reported by Mohammed El Amin, Chemouri.

Vulnerability Overview

The Metform Elementor Contact Form Builder plugin for WordPress is vulnerable to reCaptcha Bypass in versions up to, and including, 3.2.1. This is due to insufficient server side checking on the captcha value submitted during a form submission. This makes it possible for unauthenticated attackers to bypass Captcha restrictions and for attackers to utilize bots to submit forms.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user.

CWE-693: Protection Mechanism Failure

The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.

Remediation

Update to version 3.2.2, or a newer patched version

How does WordSec protect against this?

The fix is the thing that ends this: MetForm 3.2.2 closes this, and updating the plugin is the step that ends it.

Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2023-0085 https://www.wordfence.com/threat-intel/vulnerabilities/id/69527d4b-49b6-47cd-93b6-39350f881ec9 https://nvd.nist.gov/vuln/detail/CVE-2023-0085

Related records

Other vulnerabilities in MetForm – Contact Form, Survey, Quiz, Conditional Forms, Form Templates & Custom Form Builder for Elementor

CVSS Vector

5.3

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityLow
AvailabilityNone

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