View at Official ubuntu advisory, NVD, CVE.org · CVE detail
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2017-7400 negligible priority: Ubuntu including 1 source packages (horizon), 6 status rows across 6 suites (precise, trusty, upstream, xenial, yakkety, zesty): ignored 2, not-affected 2, DNE 1, released 1.
OpenStack Horizon 9.x through 9.1.1, 10.x through 10.0.2, and 11.0.0 allows remote authenticated administrators to conduct XSS attacks via a crafted federation mapping.