XSS in Dyland Wp Content Security Plugin

CVE-2025-4579

The WP Content Security Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the blocked-uri and effective-directive parameters in all versions up to, and including, 2.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (23.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-4579?
CVE-2025-4579 is a high-severity vulnerability in Dyland Wp Content Security Plugin, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2025-05-15.
How severe is CVE-2025-4579?
High severity. CVSS v3 base score is 7.2 out of 10.