CVE-2020-35942

WordPress Gallery Plugin – NextGEN Gallery <= 3.4.7 - Cross-Site Request Forgery

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A Cross-Site Request Forgery (CSRF) issue in the NextGEN Gallery plugin before 3.5.0 for WordPress allows File Upload and Local File Inclusion via settings modification, leading to Remote Code Execution and XSS. (It is possible to bypass CSRF protection by simply not including a nonce parameter.)

Un problema de tipo Cross-Site Request Forgery (CSRF) en el plugin de NextGEN Gallery versiones anteriores a 3.5.0 para WordPress, permite la carga de archivos y la inclusión de archivos locales por medio de la modificación de la configuración, conllevando a una ejecución de código remota y un ataque de tipo XSS. (Es posible omitir la protección CSRF simplemente sin incluir un parámetro nonce)

*Credits: Ram

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

2020-12-17 CVE Published
2021-01-01 CVE Reserved
2024-01-16 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 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 (1)

URL	Tag	Source

URL	Date	SRC
https://www.wordfence.com/blog/2021/02/severe-vulnerabilities-patched-in-nextgen-gallery-affect-over-800000-wordpress-sites	2024-08-04

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
Imagely Search vendor "Imagely"		Nextgen Gallery Search vendor "Imagely" for product "Nextgen Gallery"				< 3.5.0 Search vendor "Imagely" for product "Nextgen Gallery" and version " < 3.5.0"		wordpress		Affected