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A serious vulnerability in a widely used , and widely forked , jQuery file upload plugin may have been exploited for years by hackers to seize control of websites – and is only now patched .
 discover vulnerability: been 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: been exploited