def _detect_cms(self, tries=0):
        """
        Detect CMS using whatcms.org.
        Has a re-try mechanism because false negatives may occur
        :param tries: Count of tries for CMS discovery
        """
        # WhatCMS is under CloudFlare which detects and blocks proxied/Tor traffic, hence normal request.
        page = requests.get(url="https://whatcms.org/?s={}".format(self.host.target))
        soup = BeautifulSoup(page.text, "lxml")
        found = soup.select(".panel.panel-success")
        if found:
            try:
                cms = [a for a in soup.select("a") if "/c/" in a.get("href")][0]
                self.logger.info("{} CMS detected: target is using {}{}{}".format(
                    COLORED_COMBOS.GOOD, COLOR.GREEN, cms.get("title"), COLOR.RESET))
            except IndexError:
                if tries >= 4:
                    return
                else:
                    self._detect_cms(tries=tries + 1)
        else:
            if tries >= 4:
                return
            else:
                self._detect_cms(tries=tries + 1)
Detect CMS using whatcms.org.
        Has a re-try mechanism because false negatives may occur
        :param tries: Count of tries for CMS discovery