Stored Cross-Site Scripting Vulnerability in Smash Balloon Social Post Feed Plugin for WordPress
CVE-2025-4577

6.4MEDIUM

What is CVE-2025-4577?

The Smash Balloon Social Post Feed plugin for WordPress is susceptible to Stored Cross-Site Scripting (XSS) vulnerabilities due to inadequate sanitization and escaping of the data-color attribute. This flaw affects all versions up to and including 4.3.1, allowing authenticated users with Contributor-level permissions or higher to inject malicious scripts within web pages. These scripts execute upon user access to the affected pages, posing a risk of unauthorized actions and data exposure.

Affected Version(s)

Smash Balloon Social Post Feed – Simple Social Feeds for WordPress * <= 4.3.1

References

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Asaf Mozes
.
CVE-2025-4577 : Stored Cross-Site Scripting Vulnerability in Smash Balloon Social Post Feed Plugin for WordPress