Auth bypass in Ninjaforms Ninja_forms

CVE-2021-34648

The Ninja Forms WordPress plugin is vulnerable to arbitrary email sending via the trigger_email_action function found in the ~/includes/Routes/Submissions.php file, in versions up to and including 3.5.7. This allows authenticated attackers…

Vulnerability class: Broken Access Control

EPSS: 0.007 (47.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-34648?
CVE-2021-34648 is a medium-severity vulnerability in Ninjaforms Ninja_forms, classified under Incorrect Authorization. CVSS score: 6.4/10. Published 2021-09-22.
How severe is CVE-2021-34648?
Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2021-34648 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.