Full Disclosure DMCA.COM Exploitation

["WebSec B.V." <websecinternational () gmail com>]

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

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