fix: throw exception for malformed xml file
fix: throw exception for malformed xml file

SteveClement/MISP,SteveClement/MISP,MISP/MISP,FIRSTdotorg/MISP,FloatingGhost/MISP,Rafiot/MISP,devnull-/MISP,SteveClement/MISP,FIRSTdotorg/MISP,cristianbell/MISP,FloatingGhost/MISP,FIRSTdotorg/MISP,Rafiot/MISP,cristianbell/MISP,Rafiot/MISP,MISP/MISP,TheDr1ver/MISP,devnull-/MISP,crruthe/MISP,Rafiot/MISP,SteveClement/MISP,cristianbell/MISP,crruthe/MISP,devnull-/MISP,FloatingGhost/MISP,MISP/MISP,crruthe/MISP,TheDr1ver/MISP,TheDr1ver/MISP,TheDr1ver/MISP,FIRSTdotorg/MISP,SteveClement/MISP,MISP/MISP,MISP/MISP,cristianbell/MISP,devnull-/MISP,crruthe/MISP,FloatingGhost/MISP