Cross Site Scripting (XSS) vulnerability exists in Sourcecodester Simple Subscription Website 1.0 via the id parameter in plan_application.Referenceshttps://github.com/Dir0x/CVE-2021-43141https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-43141https://www.nu11secur1ty.com/2021/11/cve-2021-43141.htmlhttps://streamable.com/8gydfs
