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CVE-2021-24165

29
FAUCET Score

CVE-2021-24165 describes an open redirect vulnerability in the Ninja Forms Contact Form WordPress plugin prior to version 3.4.34, affecting the wp_ajax_nf_oauth_connect AJAX action. This medium-severity vulnerability (CVSS 6.1) allows an attacker to redirect users to arbitrary malicious sites due to an unprotected, user-supplied redirect parameter, potentially leading to phishing or credential theft. While there is no evidence of active exploitation or Metasploit modules, Nuclei templates exist for detection, and the vulnerability has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.4.34CPE matchmatch criteria
cpe:2.3:a:ninjaforms:ninja_forms:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.64%
Probability of exploitation in next 30 days
EPSS Percentile
74.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2021-24165 · Feb 12, 2022
This CVE's current EPSS score of 0.0164 is in the 86th percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

wpscan.com / vulnerability/6147acf5-e43f-47e6-ab56-c9c8be584818
ExploitThird Party Advisory
wordfence.com / blog/2021/02/one-million-sites-affected-four-severe-vulnerabilities-patched-in-ninja-forms
Third Party Advisory