Publisher: Joel Aviad Ossi Company: Pentest <https://websec.nl>company WebSec B.V. Vulnerabilities: Improper access Control, Stored Cross-Site Scripting and Improper Input Validation Description: It is possible to inject javascript code into any DMCA account and takeover the API Token in order to read support messages (It is also possible to inject such code into the support ticket in order to target administrators) Additionally it is possible to bypass any website domain verification and issue valid DMCA Protection certificates for any domain name. Writeup: https://websec.nl/blog/606ecfec2f798a048269340e/dmcacom%20hack%20full%20disclosure%20with%20proof-of-concept Security Risk: Critical