GHSA-HR5W-CWWQ-2V4M ZITADEL's Improper Content-Type Validation Leads to Account Takeover via Stored XSS + CSP Bypass

Impact ZITADEL users can upload their own avatar image and various image types are allowed. Due to a missing check, an attacker could upload HTML and pretend it is an image to gain access to the victim's account in certain scenarios. A possible victim would need to directly open the supposed imag...