Rest API XSS

An unauthenticated XSS vulnerability has been confirmed in confluence 5.8.15 and 5.8.14. The vulnerability is located at /rest/prototype/1/session/check/something POC URL: http:///confpath/rest/prototype/1/session/check/something%3Cimg%20src%3da%20onerror%3dalert%280%29%3E This was confirmed in t...