Stored XSS via File Upload in GitHub repository star7th/showdoc prior to v.2.10.4.
https://github.com/advisories/GHSA-wg8p-w946-c482
https://huntr.dev/bounties/5b0e3f02-309f-4b59-8020-d7ac0f1999f2
https://github.com/star7th/showdoc/commit/56e450c3adf75c707500d7231a78c9fc894c7f13