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Last week WordPress released the newest version ( 4.7.2 ) of the popular CMS , ostensibly fixing three security issues affecting versions 4.7.1 and earlier .
 patch vulnerability: released
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: phishing, data breach, ransom, discover vulnerability, patch vulnerability 
Text: {0} 
Answer:
 patch vulnerability: released