Open Redirect in Ninjaforms Ninja Forms

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 parameter and no protection in place.

Vulnerability class: Open Redirect

EPSS: 0.016 (74.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

  • Ninjaforms Ninja_forms
  • Unknown Ninja Forms Contact Form – The Drag And Drop Builder For Wordpress — versions 3.4.34

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-24165?
CVE-2021-24165 is a medium-severity vulnerability in Ninjaforms Ninja Forms, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2021-04-05.
How severe is CVE-2021-24165?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-24165 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.