{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "3.12"
              },
              {
                "last_affected": "4.11"
              }
            ]
          },
          "events": [
            {
              "introduced": "46cd1aced9e96494765073bae4073491f0c2f318"
            },
            {
              "last_affected": "a7d12ddcaaf01846e7334233bdb9deb08d42f242"
            }
          ],
          "repo": "https://github.com/wekan/wekan",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Wekan, open source kanban board system, between version 3.12 and 4.11, is vulnerable to multiple stored cross-site scripting. This is named 'Fieldbleed' in the vendor's site.",
  "id": "CVE-2021-20654",
  "modified": "2026-03-13T21:52:30.438316440Z",
  "published": "2021-02-10T09:15:12.887Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://jvn.jp/en/jp/JVN80785288/"
    },
    {
      "type": "EVIDENCE",
      "url": "https://wekan.github.io/hall-of-fame/fieldbleed/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}