Press, a Frappe custom app that runs Frappe Cloud, manages infrastructure, subscription, marketplace, and software-as-a-service (SaaS). Redirect parameter on login page is vulnerable to reflected XSS. The patch in commit 16d1b6ca2559f858a1de77bcb03fd7f1b81671c6 fixes the issue by restricting redirects to internal URLs only.
Analyzing vulnerability vectors…