// For flags

CVE-2025-4577

Smash Balloon Custom Facebook Feed <= 4.3.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via `data-color` Attribute

Severity Score

6.4
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

The Smash Balloon Social Post Feed – Simple Social Feeds for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the data-color attribute in all versions up to, and including, 4.3.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

El complemento Smash Balloon Social Post Feed – Simple Social Feeds para WordPress es vulnerable a Cross-Site Scripting Almacenado a través del atributo data-color en todas las versiones hasta la 4.3.1 incluida, debido a una depuración de entrada y un escape de salida insuficientes. Esto permite a atacantes autenticados, con acceso de colaborador o superior, inyectar scripts web arbitrarios en páginas que se ejecutarán al acceder un usuario a una página inyectada.

*Credits: Asaf Mozes
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
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:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2025-05-12 CVE Reserved
  • 2025-06-09 CVE Published
  • 2025-06-10 CVE Updated
  • 2025-06-16 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Smub
Search vendor "Smub"
 Smash Balloon Social Post Feed – Simple Social Feeds For WordPress
Search vendor "Smub" for product "Smash Balloon Social Post Feed – Simple Social Feeds For WordPress"
 <= 4.3.1
Search vendor "Smub" for product "Smash Balloon Social Post Feed – Simple Social Feeds For WordPress" and version " <= 4.3.1"
en
Affected