WordPress security changelog
HIGH CVE-2021-24163 Modified

SendWP Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress: A security weakness

SendWP Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress is affected by a security weakness. Exposure depends on how the affected operation is made reachable by the site. The resulting impact depends on how the affected component exposes the vulnerable operation.

CVE / CNA score 8.8 CVSS · contact@wpscan.com
NVD score 8.8 CVSS 3.1 · nvd@nist.gov
Component
SendWP Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress
Plugin slug
ninja-forms
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Apr 05, 2021
Weakness
CWE-200 — Exposure of Sensitive Information to an Unauthorized Actor
CWE-862 — Missing Authorization

This CVE was published Apr 05, 2021 and is one of 66 known issues for this plugin.

Update, patch or deactivate.

Update SendWP Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The AJAX action, wp_ajax_ninja_forms_sendwp_remote_install_handler, did not have a capability check on it, nor did it have any nonce protection, therefore making it possible for low-level users, such as subscribers, to install and activate the SendWP Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress WordPress plugin before 3.4.34 and retrieve the client_secret key needed to establish the SendWP connection while also installing the SendWP plugin.

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

Primary and upstream sources