title:  Ninja Forms <= 3.5.7 Unprotected REST-API to Email Injection
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.
problem types: CWE-863 Incorrect Authorization
affected:
{
product: Ninja Forms
vendor: Saturday Drive
versions:
lessThanOrEqual: 3.5.7, status: affected, version: 3.5.7, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 6.4
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: LOW
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
version: 3.1
]
solutions: Update to version 3.5.8 or newer.