CRITICALnpm

XSS in Ghost's ActivityPub client

XSS in Ghost's ActivityPub client

CVE-2026-53950Published 1 day agoUpdated 1 day agoSource: OSV

Affected packages

  • @tryghost/activitypub

Exploit signal

Known exploited (CISA KEV)
No
EPSS score
0.20%
EPSS percentile
10.6%

EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 11%.

XSS in Ghost's ActivityPub client | HackTribune