CVE-2021-24635

Visual Link Preview < 2.2.3 - Unauthorised AJAX Calls

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 Visual Link Preview WordPress plugin before 2.2.3 does not enforce authorisation on several AJAX actions and has the CSRF nonce displayed for all authenticated users, allowing any authenticated user (such as subscriber) to call them and 1) Get and search through title and content of Draft post, 2) Get title of a password-protected post as well as 3) Upload an image from an URL

El plugin Visual Link Preview de WordPress versiones anteriores a 2.2.3, no impone una autorización en varias acciones AJAX y presenta el CSRF nonce mostrado para todos los usuarios autenticados, permitiendo a cualquier usuario autenticado (como el suscriptor) llamarlos y 1) Conseguir y buscar mediante el título y el contenido del Borrador de la entrada, 2) conseguir el título de una entrada protegida por contraseña, así como 3) Cargar una imagen desde una URL

*Credits: apple502j

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

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
2021-08-18 CVE Published
2023-04-13 EPSS Updated
2024-08-03 CVE Updated
2024-08-03 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-284: Improper Access Control
CWE-862: Missing Authorization

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://wpscan.com/vulnerability/854b23d9-e3f8-4835-8d29-140c580f11c9	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
Bootstrapped Search vendor "Bootstrapped"		Visual Link Preview Search vendor "Bootstrapped" for product "Visual Link Preview"				< 2.2.3 Search vendor "Bootstrapped" for product "Visual Link Preview" and version " < 2.2.3"		wordpress		Affected