Citrix Storefront - Error "404 - File or directory not found" when accessing Storefront URL

Browsing to Storefront web URL results in below error "404 - File or directory not found. The resource you are looking for might have been removed, had its name changed, or is temporarily unavailable."...

CVE-2023-26131

All versions of the package github.com/xyproto/algernon/engine; all versions of the package github.com/xyproto/algernon/themes are vulnerable to Cross-site Scripting XSS via the themes.NoPagefilename, theme function due to improper user input sanitization. Exploiting this vulnerability is possibl...