Ninja Forms <= 3.5.7 - Unprotected REST-API to Email Injection

6.4
Incorrect Authorization
CVE CVE-2021-34648
CVSS 6.4 (Medium)
Publicly Published September 22, 2021
Last Updated January 18, 2023
Researcher Chloe Chamberland - Wordfence

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.

Wordfence blocked 1,476 attacks targeting this vulnerability in the past 24 hours.

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1 affected software package

Software Type Plugin
Software Slug ninja-forms (view on wordpress.org)
Patched? Yes
Remediation Update to version 3.5.8, or a newer patched version
Affected Version
  • <= 3.5.7
Patched Version
  • 3.5.8

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