system
Describe <CVE-2015-9507>.
user
What is <CVE-2015-9507>?
assistant
The Easy Digital Downloads (EDD) Attach Accounts to Orders extension for WordPress, as used with EDD 1.8.x before 1.8.7, 1.9.x before 1.9.10, 2.0.x before 2.0.5, 2.1.x before 2.1.11, 2.2.x before 2.2.9, and 2.3.x before 2.3.7, has XSS because add_query_arg is misused..