CVE-2025-4577
Severity CVSS v4.0:
Pending analysis
Type:
CWE-79
Cross-Site Scripting (XSS)
Publication date:
10/06/2025
Last modified:
12/06/2025
Description
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.
Impact
Base Score 3.x
6.40
Severity 3.x
MEDIUM
References to Advisories, Solutions, and Tools
- https://plugins.trac.wordpress.org/browser/custom-facebook-feed/tags/4.3.0/assets/js/cff-scripts.js#L245
- https://plugins.trac.wordpress.org/browser/custom-facebook-feed/tags/4.3.0/assets/js/cff-scripts.js#L254
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ec3de7e2-4a29-401f-af2c-0ce78d768eae?source=cve