{"action":"Upgrade @tryghost/activitypub to 3.1.0 or later.","affected":[{"fixed":"3.1.0","introduced":"0"}],"component":"@tryghost/activitypub","cve_ids":["CVE-2026-53950"],"ecosystem":"npm","epss":0.00352,"exploited":false,"fixed_versions":["3.1.0"],"ghsa_id":"GHSA-xpp7-93x6-v29m","id":"tcs_01M5KGJGPKPR4J6GZE6Q58RQQM","modified_at":"2026-08-04T22:00:24.156211177Z","published_at":"2026-08-04T21:54:01Z","references":["https://osv.dev/vulnerability/GHSA-xpp7-93x6-v29m","https://github.com/TryGhost/Ghost/security/advisories/GHSA-xpp7-93x6-v29m","https://nvd.nist.gov/vuln/detail/CVE-2026-53950","https://github.com/TryGhost/Ghost"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-xpp7-93x6-v29m","url":"https://osv.dev/vulnerability/GHSA-xpp7-93x6-v29m"}],"summary":"XSS in Ghost's ActivityPub client"}