Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.
From VID-BF2B9C56-B93E-11E8-B2A8-A4BADB296695:
JSST reports: Multiple low-priority Vulnerabilities
Inadequate checks in the InputFilter class could allow specifically prepared PHAR files to pass the upload filter.
Inadequate output filtering on the user profile page could lead to a stored XSS attack.
Inadequate checks regarding disabled fields can lead to an ACL violation.
With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.
– Scott Cheney, Manager of Information Security, Sierra View Medical Center