TI-2021-06455 Aliases CVE-2021-24163 GHSA-pxq6-8799-5v2r

Ninja Forms < 3.4.34 - Authenticated SendWP Plugin Installation and Client Secret Key Disclosure

MEDIUM 41CWE-200Published 2021-04-05 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Information disclosure, Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-200 and CWE-862.

Summary

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.

Why it matters now

EPSS 0.01439 73rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress (Unknown): 3.4.34

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Unknown	Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress	3.4.34 to before 3.4.34	3.4.34	Patch available	CNA

Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress VendorUnknown Affected 3.4.34 to before 3.4.34 Fixed in 3.4.34 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:ninjaforms:ninja_forms::::::wordpress::*	before 3.4.34	Vulnerable	Saturday Drive

cpe:2.3:a:ninjaforms:ninja_forms:*:*:*:*:*:wordpress:*:* Versions before 3.4.34 Vulnerable ·Saturday Drive

Remediation

Fix · CNA Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress (Unknown) Fixed in 3.4.34

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2021-04-05
Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress 3.4.34
3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2021-06457 Ninja Forms < 3.4.34 - Administrator Open RedirectPriority LOW 31
- TI-2021-06458 Ninja Forms < 3.4.34 - CSRF to OAuth Service DisconnectionPriority LOW 25
Show all 3 records →

Timeline

2026-10-02 Threatist record created from CVE-2021-24163
2026-10-03 Alias added: GHSA-pxq6-8799-5v2r

References

Exploit 1

https://wpscan.com/vulnerability/55fde9fa-f6cd-4546-bee8-4acc628251c2

Advisory 1

https://www.wordfence.com/blog/2021/02/one-million-sites-affected-four-severe-vulnerabilities-patched-in-ninja-forms/

TI-2025-08325 Ninja-forms < 3.11.1 - Unauthenticated PHP Objection CVSS 3.1CRITICAL 9.8
TI-2016-01107 The Ninja Forms plugin before 2.9.42.1 for WordPress allows remote attackers to conduct… CVSS 3.0CRITICAL 9.8
TI-2023-19777 WordPress Ninja Forms plugin <= 3.6.25 - Subscriber+ Broken Access Control vulnerability CVSS 3.1HIGH 8.8
TI-2022-02691 NinjaForms < 3.6.13 - Admin+ PHP Objection Injection CVSS 3.1HIGH 7.2
TI-2024-06815 Ninja Forms 3.8.6-3.8.10 - Reflected XSS CVSS 3.1MEDIUM 6.1
TI-2023-01723 Ninja Forms < 3.6.22 - Reflected XSS CVSS 3.1MEDIUM 6.1

See all 56 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences