PT-2026-52074

CVE-2026-53950

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Published

2026-06-24

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Updated

2026-08-04

Description by

CVSS 3.1
7.5
High
MetricsAV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions @tryghost/activitypub versions prior to 3.1.0
Description The ActivityPub client in Ghost is susceptible to JavaScript injection. This occurs when the client processes posts shared by a maliciously customized ActivityPub server, allowing the execution of arbitrary scripts.
Recommendations Update @tryghost/activitypub to version 3.1.0.
Exploitability
Exploit
Fix
Impacts
Vendors
Affected products
Weakness enumeration
CWE-79: Improper Neutralization of Input During Web Page Generation (\'Cross-site Scripting\')
Related identifiers
CVE-2026-53950
GHSA-XPP7-93X6-V29M
BIT-GHOST-2026-53950
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