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The intrusion occurred on December 22 , 2016 , the hacker revealed to have exploited a zero - day vulnerability in the Plone Content Management System Going back to 22nd December 2016 , I tweeted about a 0day vulnerability in Plone CMS which is considered as the most secure CMS till date .
 discover vulnerability: exploited
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:
 discover vulnerability: exploited