CVE-2021-24960

WordPress File Upload < 4.16.3 - Contributor+ Stored Cross-Site Scripting via Malicious SVG

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The WordPress File Upload WordPress plugin before 4.16.3, wordpress-file-upload-pro WordPress plugin before 4.16.3 allows users with a role as low as Contributor to configure the upload form in a way that allows uploading of SVG files, which could be then be used for Cross-Site Scripting attacks

El plugin WordPress File Upload de WordPress versiones anteriores a 4.16.3, el plugin wordpress-file-upload-pro de WordPress versiones anteriores a 4.16.3, permite a usuarios con un rol tan bajo como el de Contributor configurar el formulario de subida de una manera que permite subir archivos SVG, que podrían ser usados para ataques de tipo Cross-Site Scripting

*Credits: apple502j

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

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
2022-02-14 CVE Published
2023-09-28 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')
CWE-434: Unrestricted Upload of File with Dangerous Type

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://wpscan.com/vulnerability/18902832-2973-498d-808e-c75d1aedc11e	2024-08-03

URL	Date	SRC
https://plugins.trac.wordpress.org/changeset/2677722	2022-03-11

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Iptanus Search vendor "Iptanus"		Wordpress File Upload Search vendor "Iptanus" for product "Wordpress File Upload"				< 4.16.3 Search vendor "Iptanus" for product "Wordpress File Upload" and version " < 4.16.3"		wordpress		Affected
Iptanus Search vendor "Iptanus"		Wordpress File Upload Pro Search vendor "Iptanus" for product "Wordpress File Upload Pro"				< 4.16.3 Search vendor "Iptanus" for product "Wordpress File Upload Pro" and version " < 4.16.3"		wordpress		Affected