Continuing from his previous post, Bug Bounty Hunter Renwa writes about the second vulnerability he submitted to Opera's Bug Bounty Programme: a Remote Code Execution in Opera's My Flow Feature. What follows is his write-up and experience.

Opera manages a Bug Bounty program where researchers can report vulnerabilities in Opera's software and be rewarded for it. For high quality reports, we like to invite researchers to write about their findings. In this post, Opera's Security Team has invited Bug Bounty Hunter Renwa to write about a recent vulnerability that he reported, which was subsequently fixed and $4,000 USD reward given. What follows is his write-up and experience.