CVE-2025-4583: Smash Balloon Instagram Feed <= 6.9.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via `data-plugin` Attribute
Description
The Smash Balloon Social Photo Feed – Easy Social Feeds Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `data-plugin` attribute in all versions up to, and including, 6.9.0 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.
Classification
CVE ID: CVE-2025-4583
CVSS Base Severity: MEDIUM
CVSS Base Score: 5.4
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Problem Types
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Affected Products
Vendor: smub
Product: Smash Balloon Social Photo Feed – Easy Social Feeds Plugin
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.03% (probability of being exploited)
EPSS Percentile: 6.61% (scored less or equal to compared to others)
EPSS Date: 2025-06-04 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2025-4583https://www.wordfence.com/threat-intel/vulnerabilities/id/23e47daa-79e7-4ed3-a88a-0f090e9aa277?source=cve
https://plugins.trac.wordpress.org/browser/instagram-feed/tags/6.9.0/js/sb-instagram-admin-6.js#L428