CVE-2023-22735

Zulip is an open-source team collaboration tool. In versions of zulip prior to commit 2f6c5a8 but after commit 04cf68b users could upload files with arbitrary Content-Type which would be served from the Zulip hostname with Content-Disposition: inline and no Content-Security-Policy header, allowin...

CVE-2023-22735

CVE-2023-22735 affects Zulip: prior to commit 2f6c5a8 but after 04cf68b, files uploaded with arbitrary Content-Type could be served from the Zulip hostname with Content-Disposition: inline and without a Content-Security-Policy header, enabling execution of arbitrary JavaScript in the Zulip contex...