CVE-2025-39423: 
WordPress vulnerability analysis and mitigation

A Cross-Site Request Forgery (CSRF) vulnerability was discovered in Jenst Add to Header WordPress plugin, identified as CVE-2025-39423. The vulnerability was reported on April 4, 2025, and publicly disclosed on April 17, 2025. This security issue affects Add to Header plugin versions up to 1.0, allowing attackers to perform Stored Cross-Site Scripting (XSS) attacks (Patchstack).

The vulnerability has been assigned a CVSS v3.1 Base Score of 7.1 (HIGH) with the following vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L. The weakness has been categorized as CWE-352 (Cross-Site Request Forgery). The vulnerability requires no authentication to exploit, though user interaction is required (NVD, Patchstack).

The vulnerability allows malicious actors to force higher privileged users to execute unwanted actions under their current authentication. The combination of CSRF with Stored XSS capabilities increases the potential impact on affected systems (Patchstack).

As of April 21, 2025, no official fix is available for this vulnerability. The security issue has been assessed as having a low severity impact and is considered unlikely to be exploited (Patchstack).