PHP inclusions, SQL injections, directory traversals, crossite scripting, information leaks, etc.
vulners.com/securityvulns/securityvulns:doc:12101
vulners.com/securityvulns/securityvulns:doc:12102
vulners.com/securityvulns/securityvulns:doc:12103
vulners.com/securityvulns/securityvulns:doc:12104