SillyTavern: Path Traversal in `/api/chats/export` and `/api/chats/delete` allows arbitrary file read/delete within user data root

Summary A Path Traversal vulnerability in chat endpoints allows an authenticated attacker to read and delete arbitrary files under their user data root for example secrets.json and settings.json by supplying avatarurl="..". Details The input validator used by avatarurl blocks only / and NUL bytes...