CVE-2021-34620

CSRF in WP Fluent Forms < 3.6.67 allows stored XSS and Privilege Escalation

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The WP Fluent Forms plugin < 3.6.67 for WordPress is vulnerable to Cross-Site Request Forgery leading to stored Cross-Site Scripting and limited Privilege Escalation due to a missing nonce check in the access control function for administrative AJAX actions

El plugin WP Fluent Forms versiones anteriores a 3.6.67, para WordPress es vulnerable a un ataque de tipo Cross-Site Request Forgery conllevando a una vulnerabilidad de tipo Cross-Site Scripting almacenada y una escalada de privilegios limitada debido a una falta de comprobación de nonce en la función access control para acciones administrativas AJAX

*Credits: Ramuel Gall, Wordfence

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-06-10 CVE Reserved
2021-06-16 CVE Published
2024-03-01 EPSS Updated
2024-09-17 CVE Updated
2024-09-17 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-352: Cross-Site Request Forgery (CSRF)

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://plugins.trac.wordpress.org/browser/fluentform/trunk/app/Modules/Acl/Acl.php?rev=2196688	2024-09-17
https://www.wordfence.com/blog/2021/06/cross-site-request-forgery-patched-in-wp-fluent-forms	2024-09-17

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Fluentforms Search vendor "Fluentforms"		Contact Form Search vendor "Fluentforms" for product "Contact Form"				< 3.6.67 Search vendor "Fluentforms" for product "Contact Form" and version " < 3.6.67"		-		Affected