CVE-2021-24163
HIGHNinja Forms < 3.4.34 - Missing Authorization via wp_ajax_ninja_forms_sendwp_remote_install_handler
Title source: llmDescription
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.
References (2)
Core 2
Core References
Exploit, Third Party Advisory x_refsource_confirm
https://wpscan.com/vulnerability/55fde9fa-f6cd-4546-bee8-4acc628251c2
Third Party Advisory x_refsource_misc
https://www.wordfence.com/blog/2021/02/one-million-sites-affected-four-severe-vulnerabilities-patched-in-ninja-forms/
Scores
CVSS v3
8.8
EPSS
0.0144
EPSS Percentile
69.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-200
CWE-862
Status
published
Products (1)
ninjaforms/ninja_forms
< 3.4.34
Published
Apr 05, 2021
Tracked Since
Feb 18, 2026