CVE-2021-20746

WordPress Popular Posts <= 5.3.2 - Authenticated Cross-Site Scripting

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Cross-site scripting vulnerability in WordPress Popular Posts 5.3.2 and earlier allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.

Una vulnerabilidad de tipo cross-site scripting en WordPress Popular Posts versiones 5.3.2 y anteriores, permite a un atacante remoto autenticado inyectar un script arbitrario por medio de vectores no especificados

*Credits: Yu Iwama

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

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

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

2020-12-17 CVE Reserved
2021-06-23 CVE Published
2023-05-14 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 (4)

URL	Tag	Source
https://jvn.jp/en/jp/JVN63066062/index.html	Third Party Advisory
https://wordpress.org/plugins/wordpress-popular-posts	Product

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://cabrerahector.com	2021-09-28
https://cabrerahector.com/wordpress/wordpress-popular-posts-5-3-improved-php-8-support-retina-display-support-and-more/#minor-updates-and-hotfixes	2021-09-28

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Wordpress Popular Posts Project Search vendor "Wordpress Popular Posts Project"		Wordpress Popular Posts Search vendor "Wordpress Popular Posts Project" for product "Wordpress Popular Posts"				<= 5.3.2 Search vendor "Wordpress Popular Posts Project" for product "Wordpress Popular Posts" and version " <= 5.3.2"		wordpress		Affected