CVE-2021-24164 json
Ninja Forms < 3.4.34.1 - Authenticated OAuth Connection Key Disclosure
published 2021-04-05 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11078
- cvss
- 4.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
In the Ninja Forms Contact Form WordPress plugin before 3.4.34.1, low-level users, such as subscribers, were able to trigger the action, wp_ajax_nf_oauth, and retrieve the connection url needed to establish a connection. They could also retrieve the client_id for an already established OAuth connection.
Patch / fix
- ninjaforms ninja_forms 3.4.34.1
Exploit prediction
0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/dfa32afa-c6de-4237-a9f2-709843dcda89 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Affected products
- Unknown Ninja Forms Contact Form – The Drag and Drop Form Builder for WordPress
Classification
- Weakness
- Technology feeds
References
-
wpscan.com
/vulnerability/dfa32afa-c6de-4237-a9f2-709843dcda89
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-2021-24164
- NVD CVE-2021-24164
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