Medium severity · published Apr 5, 2021
CVE-2021-24165
In the Ninja Forms Contact Form WordPress plugin before 3.4.34, the wp_ajax_nf_oauth_connect AJAX action was vulnerable to open redirect due to the use of a user supplied redirect…
6.1
CVSS
1.6%
EPSS
No
On KEV
Description
In the Ninja Forms Contact Form WordPress plugin before 3.4.34, the wp_ajax_nf_oauth_connect AJAX action was vulnerable to open redirect due to the use of a user supplied redirect parameter and no protection in place.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 76% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NF
Ninja Forms · Ninjaforms
before 3.4.34 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-24165
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-24165
Exploit
https://wpscan.com/vulnerability/6147acf5-e43f-47e6-ab56-c9c8be584818
Third Party Advisory
https://www.wordfence.com/blog/2021/02/one-million-sites-affected-four-severe-vulnerabilities-patched-in-ninja-forms/
More from Ninja Forms
9.8
CVE-2025-9083
Ninja-forms < 3.11.1 - Unauthenticated PHP Objection
9.8
CVE-2024-37934
Improper Control of Generation of Code ('Code Injection') vulnerability in Saturday Drive Ninja Forms allows Code Injection.This issue affects Ninja Forms: from n/a through 3.8.4
9.8
CVE-2023-38386
Missing Authorization vulnerability in Saturday Drive Ninja Forms.This issue affects Ninja Forms: from n/a through 3.6.25
9.8
CVE-2024-0685
The Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress plugin for WordPress is vulnerable to Second Order SQL Injection via the email address value submitted…
9.8
CVE-2016-1209
The Ninja Forms plugin before 2.9.42.1 for WordPress allows remote attackers to conduct PHP object injection attacks via crafted serialized values in a POST request