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CVE-2026-53950

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

This page contains facts from public vulnerability sources. Check the original advisory before updating.

@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.

CVSS 7.5 · High · EPSS 0.4% · Fix available

Published
Updated

Stack: node

Affected products and versions

Original sources

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