{"action":"Upgrade ghost to 4.3.3 or later.","affected":[{"fixed":"4.3.3","introduced":"4.0.0"}],"component":"ghost","cve_ids":["CVE-2021-29484"],"ecosystem":"npm","epss":0.07935,"exploited":false,"fixed_versions":["4.3.3"],"ghsa_id":"GHSA-9fgx-q25h-jxrg","id":"tcs_01M5KFFPR4EQH0FFQE62XRRZC5","modified_at":"2026-07-08T06:27:25.078743737Z","published_at":"2021-04-29T21:53:18Z","references":["https://osv.dev/vulnerability/GHSA-9fgx-q25h-jxrg","https://github.com/TryGhost/Ghost/security/advisories/GHSA-9fgx-q25h-jxrg","https://nvd.nist.gov/vuln/detail/CVE-2021-29484","https://github.com/TryGhost/Ghost/commit/14b3431de12e674a0bd562e9230e2891b6903ae2","https://blog.sonarsource.com/ghost-admin-takeover","https://forum.ghost.org/t/critical-security-update-available-for-ghost-4-x/22290","https://github.com/TryGhost/Ghost","https://security.netapp.com/advisory/ntap-20210618-0006","https://www.npmjs.com/package/ghost"],"severity":{"label":"medium","score":6.8},"sources":[{"source":"osv","source_id":"GHSA-9fgx-q25h-jxrg","url":"https://osv.dev/vulnerability/GHSA-9fgx-q25h-jxrg"}],"summary":"DOM XSS in Theme Preview"}