CVE-2025-4577

MEDIUM 6.4

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

CVSS Score

6.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	smub
Product	smash balloon social post feed – simple social feeds for wordpress
Published	Jun 10, 2025
Last Updated	Apr 8, 2026

Stay Ahead of the Next One

Get instant alerts for smub smash balloon social post feed – simple social feeds for wordpress

Be the first to know when new medium vulnerabilities affecting smub smash balloon social post feed – simple social feeds for wordpress are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

smub / Smash Balloon Social Post Feed – Simple Social Feeds for WordPress

0 ≤ 4.3.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/ec3de7e2-4a29-401f-af2c-0ce78d768eae?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/custom-facebook-feed/tags/4.3.0/assets/js/cff-scripts.js#L245 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/custom-facebook-feed/tags/4.3.0/assets/js/cff-scripts.js#L254

Credits

Asaf Mozes