denial of service \bXXE\b remote code execution \bopen redirect OSVDB \bvuln \bCVE\b \bXSS\b \bReDoS\b \bNVD\b malicious x−frame−options attack cross site exploit malicious directory traversal \bRCE\b \bdos\b \bXSRF \b \bXSS\b clickjack session.fixation hijack \badvisory \binsecure security \bcross−origin\b unauthori[z|s]ed infinite loop