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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-53950

@tryghost/activitypub: XSS in Ghost's ActivityPub client

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Status
Published
Published
Updated
Assigning organization
GitHub_M

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

TryGhost Ghost

  • < 3.1.0affected

References