Sunnyeo Park Daejun Kim Suman Jana Sooel Son FUGIO: Automatic Exploit Generation for PHP Object Injection Vulnerabilities. 197-214 2022 USENIX Security Symposium https://www.usenix.org/conference/usenixsecurity22/presentation/park-sunnyeo conf/uss/2022 db/conf/uss/uss2022.html#ParkKJS22