CVE-2025-58018: 
WordPress vulnerability analysis and mitigation

A Stored Cross-Site Scripting (XSS) vulnerability has been identified in the Mail Subscribe List WordPress plugin, tracked as CVE-2025-58018. The vulnerability affects versions through 2.1.10 of the Mail Subscribe List plugin and was discovered on September 22, 2025. This security flaw allows authenticated users with Contributor or higher privileges to perform stored XSS attacks (Patchstack).

The vulnerability is classified as an Improper Neutralization of Input During Web Page Generation (CWE-79) issue. It has received a CVSS v3.1 base score of 6.5 (Medium) with the following vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L. The vulnerability requires user interaction and can be exploited by authenticated users with at least Contributor-level access (NVD).

If successfully exploited, this vulnerability could allow malicious actors to inject malicious scripts, including redirects, advertisements, and other HTML payloads into the website. These injected scripts would be executed when guests visit the affected site (Patchstack).

No official fix is available for this vulnerability as the software appears to be abandoned. The recommended mitigation is to remove and replace the Mail Subscribe List plugin with an alternative solution. Deactivating the software alone does not remove the security threat unless a virtual patch is deployed (Patchstack).