WordPress: Remote Code Execution via PHP Code Injection in Add Custom Page Template Plugin

In Add Custom Page Template plugin versions up to and including 2.0.1 a high severity vulnerability CVE-2025-3491 was detected. This vulnerability allows authenticated attackers with Administrator-level access and above to execute arbitrary code on the server via insufficient sanitization of the ‘template_name’ parameter. Currently, there is no fix version for this issue. For more details, visit https://nvd.nist.gov/vuln/detail/CVE-2025-3491.