BIT-GHOST-2026-53950 @tryghost/activitypub: XSS in Ghost's ActivityPub client

@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...

CVE-2026-53950 @tryghost/activitypub: XSS in Ghost's ActivityPub client

@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...

CVE-2026-53950

CVE-2026-53950 affects @tryghost/activitypub (Ghost’s ActivityPub client). Before 3.1.0, the ActivityPub client was susceptible to JavaScript injection on posts shared from a maliciously customized ActivityPub server. The issue is fixed in 3.1.0. The associated metrics indicate a high-severity im...