Flower, before 0.9.2, has a XSS on tasks page because data is not properly escaped.
{ "cwe_ids": [], "github_reviewed": true, "github_reviewed_at": "2019-06-05T13:52:45Z", "nvd_published_at": null, "severity": "MODERATE" }
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/02/GHSA-94ww-22rx-493x/GHSA-94ww-22rx-493x.json"