2914
Within a couple of hours of the release of the update , WordPress users who have opted for the automatic WP update option had the WP 4.7.2 installed and were protected .
 ( patch vulnerability: the release of the update,  the WP 4.7.2: patch number, Within a couple of hours: time, WordPress: vulnerable system, automatic WP update: patch) 
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:
 ( patch vulnerability: the release of the update,  the WP 4.7.2: patch number, Within a couple of hours: time, WordPress: vulnerable system, automatic WP update: patch) 