Describe CVE-2015-9505.
What is CVE-2015-9505?
The Easy Digital Downloads (EDD) core component 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 for WordPress has XSS because add_query_arg is misused..