What is CVE-2025-4577?

CVE-2025-4577 is a medium-severity vulnerability in Smub Smash Balloon Social Post Feed – Simple Feeds For Wordpress, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-06-10.

How severe is CVE-2025-4577?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Is CVE-2025-4577 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Smub Smash Balloon Social Post Feed – Simple Feeds For Wordpress

CVE-2025-4577

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 san…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (18.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Product)
security@wordfence.com (Product)

Frequently asked questions

What is CVE-2025-4577?: CVE-2025-4577 is a medium-severity vulnerability in Smub Smash Balloon Social Post Feed – Simple Feeds For Wordpress, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-06-10.
How severe is CVE-2025-4577?: Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2025-4577 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.