CVE-2021-24165 json
Ninja Forms < 3.4.34 - Administrator Open Redirect
published 2021-04-05 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11079
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
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.
Patch / fix
- ninjaforms ninja_forms 3.4.34
Exploit prediction
1.64% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template WordPress Ninja Forms <3.4.34 - Open Redirect nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/6147acf5-e43f-47e6-ab56-c9c8be584818 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
Affected products
- Unknown Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress
Classification
- Weakness
-
- CWE-601 URL Redirection to Untrusted Site
- Technology feeds
References
-
wpscan.com
/vulnerability/6147acf5-e43f-47e6-ab56-c9c8be584818
exploit, third-party-advisory
-
wordfence.com
/blog/2021/02/one-million-sites-affected-four-severe-vulnerabilities-patched-in-ninja-forms/
third-party-advisory
Sources
- CVE List CVE-2021-24165
- NVD CVE-2021-24165
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.