CVE-2021-33852

Post Duplicator <= 2.23 - 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

A cross-site scripting (XSS) attack can cause arbitrary code (JavaScript) to run in a user's browser and can use an application as the vehicle for the attack. The XSS payload given in the "Duplicate Title" text box executes whenever the user opens the Settings Page of the Post Duplicator Plugin or the application root page after duplicating any of the existing posts.

Un ataque de tipo cross-site Scripting (XSS) puede hacer que se ejecute código arbitrario (JavaScript) en el navegador de un usuario y puede utilizar una aplicación como vehículo para el ataque. La carga útil XSS dada en el cuadro de texto "Duplicar título" se ejecuta cada vez que el usuario abre la página de configuración del plugin Post Duplicator o la página raíz de la aplicación después de duplicar cualquiera de las publicaciones existentes

*Credits: N/A

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

2021-06-04 CVE Reserved
2021-12-02 CVE Published
2023-09-30 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')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://cybersecurityworks.com/zerodays/cve-2021-33852-stored-cross-site-scripting-in-wordpress-post-duplicator-plugin-2-23.html	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
Metaphorcreations Search vendor "Metaphorcreations"		Post Duplicator Search vendor "Metaphorcreations" for product "Post Duplicator"				2.23 Search vendor "Metaphorcreations" for product "Post Duplicator" and version "2.23"		wordpress		Affected