3320
Ultimately , if stitched together , he warns , the bugs could result in session hijacking , persistent phishing attacks , and persistent redirect to external sources .
 ( discover vulnerability: warns,  he: discoverer, the bugs: vulnerability, result in session hijacking: capabilities, persistent phishing attacks: capabilities, persistent redirect to external sources: capabilities) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( discover vulnerability: warns,  he: discoverer, the bugs: vulnerability, result in session hijacking: capabilities, persistent phishing attacks: capabilities, persistent redirect to external sources: capabilities) 