{"id":"CVE-2026-53950","revision":"2b5d93fd1244476baa7c63e01325d1c4","records":[{"revision":"2b5d93fd1244476baa7c63e01325d1c4","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-53950","aliases":[],"title":"@tryghost/activitypub: XSS in Ghost's ActivityPub client","description":"@tryghost/activitypub is Ghost’s social/federation client app. Prior to 3.1.0, the ActivityPub client in Ghost was vulnerable to JavaScript injection on posts shared by a maliciously customised ActivityPub server. This vulnerability is fixed in 3.1.0.","state":0,"publishedAt":"2026-06-24T18:04:25.695+00:00","modifiedAt":"2026-06-24T18:49:55.01+00:00","affected":[{"ecosystem":"Vendor product","name":"Ghost","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"TryGhost\",\n                    \"product\": \"Ghost\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 3.1.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/TryGhost/Ghost/security/advisories/GHSA-xpp7-93x6-v29m"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-53950","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-53950","identifiers":["CVE-2026-53950"]},"retained":false,"historicalAffected":[]}],"coverage":[]}