CVE-2025-49436: 
WordPress vulnerability analysis and mitigation

A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the WordPress Custom Menu plugin, identified as CVE-2025-49436. The vulnerability affects versions up to 1.8 of the Custom Menu plugin and was disclosed on August 17, 2025. The issue stems from improper neutralization of input during web page generation (Patchstack).

The vulnerability has been assigned a CVSS v3.1 base score of 6.5 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L. The vulnerability type is classified as CWE-79: Improper Neutralization of Input During Web Page Generation. The issue requires contributor-level privileges or higher to exploit (NVD, Patchstack).

If 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 visitors access the affected site (Patchstack).

As no official fix is available, the recommended mitigation strategy is to remove and replace the Custom Menu plugin with an alternative solution. The software is considered abandoned and is unlikely to receive security updates in the future (Patchstack).