Stored xss bug in GitHub repository gogs/gogs prior to 0.12.7. As the repo is public , any user can view the report and when open the attachment then xss is executed. This bug allow executed any javascript code in victim account .
https://huntr.dev/bounties/34a12146-3a5d-4efc-a0f8-7a3ae04b198d
https://github.com/gogs/gogs/commit/bc77440b301ac8780698be91dff1ac33b7cee850