message: Properly respond to challenge solve verification requests if the solve the challenge.
diff: @@ -83,10 +83,14 @@ exports.serverSideChallenges = () => (req, res, next) => {
  if (req.query.key === 'tRy_H4rd3r_n0thIng_iS_Imp0ssibl3') {
  if (utils.notSolved(challenges.sstiChallenge) && req.app.locals.abused_ssti_bug === true) {
  utils.solve(challenges.sstiChallenge)
  + res.status(204).send()
  + return;
  }
  if (utils.notSolved(challenges.ssrfChallenge) && req.app.locals.abused_ssrf_bug === true) {
  utils.solve(challenges.ssrfChallenge)
  + res.status(204).send()
  + return;
  }
  }
  next()
  