#VU110200 Stored cross-site scripting in WP Content Security Plugin - CVE-2025-4579
Published: June 4, 2025
Vulnerability identifier: #VU110200
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-4579
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
WP Content Security Plugin
WP Content Security Plugin
Software vendor:
Dylan Downhill
Dylan Downhill
Description
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 currently unaware of any official solution to address this vulnerability.
External links
- 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