What is CVE-2025-39578?

CVE-2025-39578 is a medium-severity vulnerability in Cyberchimps Responsive Blocks, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2025-04-16.

How severe is CVE-2025-39578?

Medium severity. CVSS v3 base score is 6.5 out of 10.

XSS in Cyberchimps Responsive Blocks

CVE-2025-39578

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CyberChimps Responsive Blocks responsive-block-editor-addons allows Stored XSS.This issue affects Responsive Blocks: from n/a through <=…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (44.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L.

Affected products

Cyberchimps Responsive Blocks — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

patchstack.com/database/Wordpress/Plugin/responsive-block-editor-addons/vulnera… (vdb-entry)

Frequently asked questions

What is CVE-2025-39578?: CVE-2025-39578 is a medium-severity vulnerability in Cyberchimps Responsive Blocks, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2025-04-16.
How severe is CVE-2025-39578?: Medium severity. CVSS v3 base score is 6.5 out of 10.