CVE-2021-24737

Comments - wpDiscuz <= 7.3.0 - Admin+ Stored Cross-Site Scripting

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 Comments – wpDiscuz WordPress plugin through 7.3.0 does not properly sanitise or escape the Follow and Unfollow messages before outputting them in the page, which could allow high privilege users to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

El plugin Comments - wpDiscuz de WordPress versiones hasta 7.3.0, no sanea o escapa adecuadamente de los mensajes Follow y Unfollow antes de mostrarlos en la página, que podría permitir a usuarios con altos privilegios llevar a cabo ataques de tipo Cross-Site Scripting Almacenados incluso cuando la capacidad unfiltered_html está deshabilitada

The Comments - wpDiscuz WordPress plugin through 7.3.0 does not properly sanitize or escape the Follow and Unfollow messages before outputting them in the page, which could allow high privilege users to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

*Credits: Phu Tran from techlabcorp.com

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

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
2021-09-13 CVE Published
2023-05-04 EPSS Updated
2024-08-03 CVE Updated
2024-08-03 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://wpscan.com/vulnerability/f51a350c-c46d-4d52-b787-762283625d0b	2024-08-03

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
Gvectors Search vendor "Gvectors"		Wpdiscuz Search vendor "Gvectors" for product "Wpdiscuz"				<= 7.3.0 Search vendor "Gvectors" for product "Wpdiscuz" and version " <= 7.3.0"		wordpress		Affected