SB2025060443 - Stored cross-site scripting in WP Content Security Plugin for WordPress
Published: June 4, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stored cross-site scripting (CVE-ID: CVE-2025-4579)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in the blocked-uri and effective-directive parameters. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.
References
- https://plugins.trac.wordpress.org/browser/wp-content-security-policy/tags/2.3/includes/WP_CSP.php#L597
- https://plugins.trac.wordpress.org/browser/wp-content-security-policy/tags/2.3/includes/WP_CSP.php#L612
- https://plugins.trac.wordpress.org/browser/wp-content-security-policy/tags/2.3/includes/WP_CSP.php#L659
- https://www.wordfence.com/threat-intel/vulnerabilities/id/f3c4ba08-a9fa-439a-a887-b8c113f78e20?source=cve