How severe is CVE-2025-4583?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Https://profiles.wordpress.org/smub/ Smash Balloon Instagram Feed Pro

CVE-2025-4583

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 (Free) and 6.8.0 (Pro) 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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (10.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Https://profiles.wordpress.org/smub/ Smash Balloon Instagram Feed Pro — versions 0
Smub Smash Balloon Social Photo Feed – Easy Feeds Plugin — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2025-4583?: CVE-2025-4583 is a medium-severity vulnerability in Https://profiles.wordpress.org/smub/ Smash Balloon Instagram Feed Pro, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-05-29.
How severe is CVE-2025-4583?: Medium severity. CVSS v3 base score is 5.4 out of 10.