CVE-2021-24428

RSS for Yandex Turbo <= 1.30 - Authenticated Stored XSS

Severity Score

4.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The RSS for Yandex Turbo WordPress plugin through 1.30 does not sanitise or escape some of its settings before saving and outputing them in the admin dashboard, leading to an Authenticated Stored Cross-Site Scripting issue even when the unfiltered_html capability is disallowed.

El plugin RSS para Yandex Turbo WordPress versiones hasta 1.30, no sanea o escapa de algunas de sus configuraciones antes de guardarlas y mostrarlas en el panel de administración, conllevando a un problema de tipo Cross-Site Scripting Almacenado y Autenticado, incluso cuando la capacidad unfiltered_html no está permitida

*Credits: m0ze

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-14 CVE Reserved
2021-04-23 CVE Published
2023-03-08 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (2)

URL	Tag	Source
https://m0ze.ru/vulnerability/%5B2021-04-23%5D-%5BWordPress%5D-%5BCWE-79%5D-RSS-for-Yandex-Turbo-WordPress-Plugin-v1.30.txt	X_refsource_misc
https://wpscan.com/vulnerability/9fcf6ebe-01d9-4730-a20e-58b192bb6d87	Third Party Advisory

URL	Date	SRC

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
Yandex Search vendor "Yandex"		Yandex Turbo Search vendor "Yandex" for product "Yandex Turbo"				<= 1.30 Search vendor "Yandex" for product "Yandex Turbo" and version " <= 1.30"		wordpress		Affected