CVE-2021-24508

Smash Balloon Social Post Feed < 2.19.2 - Unauthenticated Stored 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 Smash Balloon Social Post Feed WordPress plugin before 2.19.2 does not sanitise or escape the feedID POST parameter in its feed_locator AJAX action (available to both authenticated and unauthenticated users) before outputting a truncated version of it in the admin dashboard, leading to an unauthenticated Stored Cross-Site Scripting issue which will be executed in the context of a logged in administrator.

El plugin Smash Balloon Social Post Feed de WordPress versiones anteriores a 2.19.2, no sanea ni escapa del parámetro feedID POST en su acción feed_locator AJAX (disponible tanto para usuarios autenticados como no autenticados) antes de mostrar una versión truncada de la misma en el panel de administración, conllevando a un problema de tipo Cross-Site Scripting Almacenado no autenticado que se ejecutará en el contexto de un administrador conectado

*Credits: dc11

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
2021-08-16 CVE Published
2024-05-29 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/2b543740-d4b0-49b5-a021-454a3a72162f	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
Smashballoon Search vendor "Smashballoon"		Smash Balloon Social Post Feed Search vendor "Smashballoon" for product "Smash Balloon Social Post Feed"				< 2.19.2 Search vendor "Smashballoon" for product "Smash Balloon Social Post Feed" and version " < 2.19.2"		wordpress		Affected