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Back in August , it was discovered that it was possible for an attacker to change both the content and the sender of a WhatsApp message after you ’ve received it .
 August: time; it: vulnerability; an attacker to change both the content: capabilities
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: discover vulnerability 
  Option: vulnerable system owner, vulnerability, capabilities, time, vulnerable system version, discoverer, common vulnerabilities and exposures, supported platform, vulnerable system 
Text: {0} 
Answer:
 August: time; it: vulnerability; an attacker to change both the content: capabilities