CVE-2021-24437

Favicon by RealFaviconGenerator <= 1.3.20 - Reflected Cross-Site Scripting (XSS)

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The Favicon by RealFaviconGenerator WordPress plugin through 1.3.20 does not sanitise or escape one of its parameter before outputting it back in the response, leading to a Reflected Cross-Site Scripting (XSS) which is executed in the context of a logged administrator.

El plugin de WordPress Favicon by RealFaviconGenerator versiones hasta 1.3.20, no sanea ni escapa de uno de sus parámetros antes de devolverlo a la respuesta, conllevando a un problema de tipo Cross-Site Scripting (XSS) Reflejado que se ejecuta en el contexto de un administrador conectado.

*Credits: renniepak

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

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
2021-07-27 CVE Published
2024-08-03 CVE Updated
2024-08-03 First Exploit
2024-12-17 EPSS Updated
---------- 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/ed9d26be-cc96-4274-a05b-0b7ad9d8cfd9	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
Realfavicongenerator Search vendor "Realfavicongenerator"		Favicon By Realfavicongenerator Search vendor "Realfavicongenerator" for product "Favicon By Realfavicongenerator"				< 1.3.22 Search vendor "Realfavicongenerator" for product "Favicon By Realfavicongenerator" and version " < 1.3.22"		wordpress		Affected