CVE-2021-34648

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

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

El plugin Ninja Forms de WordPress es vulnerable al envío de correos electrónicos arbitrarios por medio de la función trigger_email_action que se encuentra en el archivo ~/includes/Routes/Submissions.php, en versiones hasta la 3.5.7 inclusive. Esto permite a atacantes autenticados enviar correos electrónicos arbitrarios desde el servidor afectado por medio de la API REST /ninja-forms-submissions/email-action, que puede ser usada para llevar a cabo ingeniería social a las víctimas

*Credits: Chloe Chamberland, Wordfence

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-06-10 CVE Reserved
2021-09-22 CVE Published
2023-04-15 EPSS Updated
2024-09-16 CVE Updated
2024-09-16 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-862: Missing Authorization
CWE-863: Incorrect Authorization

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://www.wordfence.com/blog/2021/09/recently-patched-vulnerabilities-in-ninja-forms-plugin-affects-over-1-million-site-owners	2024-09-16

URL	Date	SRC
https://plugins.trac.wordpress.org/browser/ninja-forms/trunk/includes/Routes/Submissions.php?rev=2543837#L155	2022-10-27

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Ninjaforms Search vendor "Ninjaforms"		Ninja Forms Search vendor "Ninjaforms" for product "Ninja Forms"				<= 3.5.7 Search vendor "Ninjaforms" for product "Ninja Forms" and version " <= 3.5.7"		wordpress		Affected