XSS, restrictions bypass.
vulners.com/securityvulns/securityvulns:doc:30949
vulners.com/securityvulns/securityvulns:doc:30951
vulners.com/securityvulns/securityvulns:doc:30952
vulners.com/securityvulns/securityvulns:doc:30953
vulners.com/securityvulns/securityvulns:doc:30959
vulners.com/securityvulns/securityvulns:doc:30975
vulners.com/securityvulns/securityvulns:doc:31004
vulners.com/securityvulns/securityvulns:doc:31020