Stored XSS via File Upload in GitHub repository star7th/showdoc prior to 2.10.4.
https://github.com/advisories/GHSA-q73m-3q7r-fpf7
https://huntr.dev/bounties/b4918d45-b635-40db-bb4b-34035e1aca21
https://github.com/star7th/showdoc/commit/d1c9ed0d77ea5d56f09be0c492361dca8af745bb