CVE-2021-34648

MediumCVSS 4.3/10Last modified Jun 17, 2026

Description

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 to send arbitrary emails from the affected server via the /ninja-forms-submissions/email-action REST API which can be used to socially engineer victims.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-863CWE-862

Affected software

No affected versions have been published.

Timeline

Published
Sep 22, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-34648: Medium severity, CVSS 4.3 | Vulnix