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CVE-2025-4577

MEDIUM 5.4 CVSS 3.1
Published
June 10, 2025
Last modified
June 17, 2026
NVD status
Analyzed
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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.

Affected WordPress components

  • Smash Balloon Social Post Feed – Simple Social Feeds for WordPress Plugin · custom-facebook-feed
    Confirmed match Active
    Up to and including 4.3.1
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • smub Smash Balloon Social Post Feed – Simple Social Feeds for WordPress — Up to and including 4.3.1
  • wpbeginner smash_balloon_social_post_feed — Before 4.3.2

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/custom-facebook-feed/tags/4.3.0/assets/js/cff-scripts.js#L245 Product
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/custom-facebook-feed/tags/4.3.0/assets/js/cff-scripts.js#L254 Product
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/ec3de7e2-4a29-401f-af2c-0ce78d768eae?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record