'This method is called to check for persistent xss.
Many times a xss isn\'t on the page we get after the GET/POST of
the xss string. This method searches for the xss string on all
the pages that are known to the framework.
:return: None, Vuln (if any) are saved to the kb.'

def _identify_persistent_xss(self):

    fuzzable_requests = kb.kb.get_all_known_fuzzable_requests()
    self._send_mutants_in_threads(self._uri_opener.send_mutant, fuzzable_requests, self._analyze_persistent_result, grep=False, cache=False)
