CVE-2026-53950

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Source
https://cve.org/CVERecord?id=CVE-2026-53950
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-53950.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-53950
Aliases
  • GHSA-xpp7-93x6-v29m
Published
2026-06-24T18:04:25.695Z
Modified
2026-06-25T04:05:22.375774491Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
@tryghost/activitypub: XSS in Ghost's ActivityPub client
Details

@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.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53950.json",
    "cwe_ids": [
        "CWE-79"
    ],
    "cna_assigner": "GitHub_M"
}
References

Affected packages

Git / github.com/tryghost/ghost

Affected ranges

Type
GIT
Repo
https://github.com/tryghost/ghost
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
3832352c5ac17546e826ddf709b6cdc5f4c3182e
Database specific 
{
    "source": "AFFECTED_FIELD",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "3.1.0"
        }
    ]
}

Affected versions

@tryghost/domain-events@0.*
@tryghost/domain-events@0.1.0
@tryghost/domain-events@0.1.1
@tryghost/domain-events@0.1.2
@tryghost/domain-events@0.1.3
@tryghost/domain-events@0.1.4
@tryghost/express-dynamic-redirects@0.*
@tryghost/express-dynamic-redirects@0.1.0
@tryghost/express-dynamic-redirects@0.2.0
@tryghost/express-dynamic-redirects@0.2.1
@tryghost/express-dynamic-redirects@0.2.2
@tryghost/express-dynamic-redirects@0.2.3
@tryghost/magic-link@0.*
@tryghost/magic-link@0.1.0
@tryghost/magic-link@0.1.1
@tryghost/magic-link@0.1.2
@tryghost/magic-link@0.1.3
@tryghost/magic-link@0.1.4
@tryghost/magic-link@0.2.0
@tryghost/magic-link@0.2.1
@tryghost/magic-link@0.2.2
@tryghost/magic-link@0.3.0
@tryghost/magic-link@0.3.1
@tryghost/magic-link@0.3.2
@tryghost/magic-link@0.3.3
@tryghost/magic-link@0.4.0
@tryghost/magic-link@0.4.1
@tryghost/magic-link@0.4.10
@tryghost/magic-link@0.4.11
@tryghost/magic-link@0.4.12
@tryghost/magic-link@0.4.13
@tryghost/magic-link@0.4.2
@tryghost/magic-link@0.4.3
@tryghost/magic-link@0.4.4
@tryghost/magic-link@0.4.5
@tryghost/magic-link@0.4.6
@tryghost/magic-link@0.4.7
@tryghost/magic-link@0.4.8
@tryghost/magic-link@0.4.9
@tryghost/magic-link@0.5.0
@tryghost/magic-link@0.6.0
@tryghost/magic-link@0.6.1
@tryghost/magic-link@0.6.2
@tryghost/magic-link@0.6.3
@tryghost/magic-link@0.6.4
@tryghost/magic-link@0.6.5
@tryghost/magic-link@0.6.6
@tryghost/magic-link@0.6.7
@tryghost/magic-link@1.*
@tryghost/magic-link@1.0.0
@tryghost/magic-link@1.0.1
@tryghost/magic-link@1.0.10
@tryghost/magic-link@1.0.11
@tryghost/magic-link@1.0.12
@tryghost/magic-link@1.0.13
@tryghost/magic-link@1.0.14
@tryghost/magic-link@1.0.15
@tryghost/magic-link@1.0.2
@tryghost/magic-link@1.0.3
@tryghost/magic-link@1.0.4
@tryghost/magic-link@1.0.5
@tryghost/magic-link@1.0.6
@tryghost/magic-link@1.0.7
@tryghost/magic-link@1.0.8
@tryghost/magic-link@1.0.9
@tryghost/member-analytics-service@0.*
@tryghost/member-analytics-service@0.1.0
@tryghost/member-analytics-service@0.1.1
@tryghost/member-analytics-service@0.1.2
@tryghost/member-analytics-service@0.1.3
@tryghost/member-analytics-service@0.1.4
@tryghost/member-analytics-service@0.1.5
@tryghost/member-events@0.*
@tryghost/member-events@0.1.0
@tryghost/member-events@0.2.0
@tryghost/member-events@0.2.1
@tryghost/member-events@0.3.0
@tryghost/member-events@0.3.1
@tryghost/member-events@0.3.2
@tryghost/members-analytics-ingress@0.*
@tryghost/members-analytics-ingress@0.1.0
@tryghost/members-analytics-ingress@0.1.1
@tryghost/members-analytics-ingress@0.1.2
@tryghost/members-analytics-ingress@0.1.3
@tryghost/members-analytics-ingress@0.1.4
@tryghost/members-analytics-ingress@0.1.5
@tryghost/members-analytics-ingress@0.1.6
@tryghost/members-api@0.*
@tryghost/members-api@0.1.1
@tryghost/members-api@0.1.2
@tryghost/members-api@0.10.1
@tryghost/members-api@0.10.2
@tryghost/members-api@0.11.0
@tryghost/members-api@0.11.1
@tryghost/members-api@0.11.2
@tryghost/members-api@0.11.3
@tryghost/members-api@0.11.4
@tryghost/members-api@0.12.0
@tryghost/members-api@0.13.0
@tryghost/members-api@0.14.0
@tryghost/members-api@0.14.1
@tryghost/members-api@0.14.2
@tryghost/members-api@0.15.0
@tryghost/members-api@0.15.1
@tryghost/members-api@0.16.0
@tryghost/members-api@0.16.1
@tryghost/members-api@0.16.2
@tryghost/members-api@0.17.0
@tryghost/members-api@0.18.0
@tryghost/members-api@0.18.1
@tryghost/members-api@0.18.2
@tryghost/members-api@0.18.3
@tryghost/members-api@0.18.4
@tryghost/members-api@0.18.5
@tryghost/members-api@0.18.7
@tryghost/members-api@0.19.0
@tryghost/members-api@0.2.0
@tryghost/members-api@0.20.0
@tryghost/members-api@0.20.1
@tryghost/members-api@0.21.0
@tryghost/members-api@0.22.0
@tryghost/members-api@0.23.0
@tryghost/members-api@0.23.1
@tryghost/members-api@0.23.2
@tryghost/members-api@0.24.0
@tryghost/members-api@0.24.1
@tryghost/members-api@0.24.2
@tryghost/members-api@0.24.3
@tryghost/members-api@0.24.4
@tryghost/members-api@0.24.5
@tryghost/members-api@0.25.0
@tryghost/members-api@0.25.1
@tryghost/members-api@0.25.2
@tryghost/members-api@0.26.0
@tryghost/members-api@0.27.0
@tryghost/members-api@0.27.1
@tryghost/members-api@0.27.2
@tryghost/members-api@0.28.0
@tryghost/members-api@0.28.1
@tryghost/members-api@0.28.2
@tryghost/members-api@0.28.3
@tryghost/members-api@0.29.0
@tryghost/members-api@0.3.0
@tryghost/members-api@0.30.0
@tryghost/members-api@0.30.1
@tryghost/members-api@0.31.0
@tryghost/members-api@0.32.0
@tryghost/members-api@0.33.0
@tryghost/members-api@0.33.1
@tryghost/members-api@0.33.2
@tryghost/members-api@0.33.3
@tryghost/members-api@0.34.0
@tryghost/members-api@0.34.1
@tryghost/members-api@0.34.2
@tryghost/members-api@0.35.0
@tryghost/members-api@0.36.0
@tryghost/members-api@0.37.0
@tryghost/members-api@0.37.1
@tryghost/members-api@0.37.10
@tryghost/members-api@0.37.11
@tryghost/members-api@0.37.2
@tryghost/members-api@0.37.3
@tryghost/members-api@0.37.4
@tryghost/members-api@0.37.5
@tryghost/members-api@0.37.6
@tryghost/members-api@0.37.7
@tryghost/members-api@0.37.8
@tryghost/members-api@0.37.9
@tryghost/members-api@0.4.0
@tryghost/members-api@0.4.1
@tryghost/members-api@0.5.0
@tryghost/members-api@0.5.1
@tryghost/members-api@0.5.2
@tryghost/members-api@0.5.3
@tryghost/members-api@0.6.0
@tryghost/members-api@0.6.1
@tryghost/members-api@0.6.2
@tryghost/members-api@0.7.0
@tryghost/members-api@0.7.1
@tryghost/members-api@0.7.2
@tryghost/members-api@0.7.3
@tryghost/members-api@0.7.4
@tryghost/members-api@0.7.5
@tryghost/members-api@0.7.6
@tryghost/members-api@0.7.7
@tryghost/members-api@0.8.0
@tryghost/members-api@0.8.1
@tryghost/members-api@0.8.2
@tryghost/members-api@0.8.3
@tryghost/members-api@0.9.0
@tryghost/members-api@1.*
@tryghost/members-api@1.0.0
@tryghost/members-api@1.0.0-rc.4
@tryghost/members-api@1.0.0-rc.5
@tryghost/members-api@1.1.0
@tryghost/members-api@1.1.1
@tryghost/members-api@1.10.0
@tryghost/members-api@1.11.0
@tryghost/members-api@1.11.1
@tryghost/members-api@1.12.0
@tryghost/members-api@1.13.0
@tryghost/members-api@1.13.1
@tryghost/members-api@1.14.0
@tryghost/members-api@1.15.0
@tryghost/members-api@1.16.0
@tryghost/members-api@1.17.0
@tryghost/members-api@1.18.0
@tryghost/members-api@1.18.1
@tryghost/members-api@1.19.0
@tryghost/members-api@1.2.0
@tryghost/members-api@1.20.0
@tryghost/members-api@1.20.1
@tryghost/members-api@1.20.2
@tryghost/members-api@1.20.3
@tryghost/members-api@1.21.0
@tryghost/members-api@1.22.0
@tryghost/members-api@1.22.1
@tryghost/members-api@1.23.0
@tryghost/members-api@1.23.1
@tryghost/members-api@1.23.2
@tryghost/members-api@1.23.3
@tryghost/members-api@1.24.0
@tryghost/members-api@1.24.1
@tryghost/members-api@1.25.0
@tryghost/members-api@1.25.1
@tryghost/members-api@1.25.2
@tryghost/members-api@1.26.0
@tryghost/members-api@1.27.0
@tryghost/members-api@1.27.1
@tryghost/members-api@1.27.2
@tryghost/members-api@1.27.3
@tryghost/members-api@1.28.0
@tryghost/members-api@1.29.0
@tryghost/members-api@1.29.1
@tryghost/members-api@1.29.2
@tryghost/members-api@1.29.3
@tryghost/members-api@1.3.0
@tryghost/members-api@1.3.1
@tryghost/members-api@1.3.2
@tryghost/members-api@1.31.0
@tryghost/members-api@1.32.0
@tryghost/members-api@1.32.1
@tryghost/members-api@1.33.0
@tryghost/members-api@1.34.0
@tryghost/members-api@1.35.0
@tryghost/members-api@1.36.0
@tryghost/members-api@1.37.0
@tryghost/members-api@1.37.1
@tryghost/members-api@1.37.2
@tryghost/members-api@1.37.3
@tryghost/members-api@1.37.4
@tryghost/members-api@1.37.5
@tryghost/members-api@1.38.0
@tryghost/members-api@1.38.1
@tryghost/members-api@1.39.0
@tryghost/members-api@1.39.1
@tryghost/members-api@1.4.0
@tryghost/members-api@1.5.0
@tryghost/members-api@1.6.0
@tryghost/members-api@1.6.1
@tryghost/members-api@1.7.0
@tryghost/members-api@1.8.0
@tryghost/members-api@1.9.0
@tryghost/members-api@2.*
@tryghost/members-api@2.0.0
@tryghost/members-api@2.1.0
@tryghost/members-api@2.1.1
@tryghost/members-api@2.2.0
@tryghost/members-api@2.2.1
@tryghost/members-api@2.2.2
@tryghost/members-api@2.2.3
@tryghost/members-api@2.3.0
@tryghost/members-api@2.4.0
@tryghost/members-api@2.4.1
@tryghost/members-api@2.4.2
@tryghost/members-api@2.4.3
@tryghost/members-api@2.4.4
@tryghost/members-api@2.5.0
@tryghost/members-api@2.6.0
@tryghost/members-api@2.6.1
@tryghost/members-api@2.6.2
@tryghost/members-api@2.7.0
@tryghost/members-api@2.7.1
@tryghost/members-api@2.7.2
@tryghost/members-api@2.7.3
@tryghost/members-api@2.7.4
@tryghost/members-api@2.7.5
@tryghost/members-api@2.7.6
@tryghost/members-api@2.8.0
@tryghost/members-api@2.8.1
@tryghost/members-api@2.8.2
@tryghost/members-api@2.8.3
@tryghost/members-api@2.8.4
@tryghost/members-api@2.8.5
@tryghost/members-api@2.8.6
@tryghost/members-api@2.8.7
@tryghost/members-api@2.8.8
@tryghost/members-api@3.*
@tryghost/members-api@3.0.0
@tryghost/members-api@3.0.1
@tryghost/members-auth-pages@0.*
@tryghost/members-auth-pages@0.1.2
@tryghost/members-auth-pages@0.2.0
@tryghost/members-auth-pages@0.2.1
@tryghost/members-auth-pages@0.2.2
@tryghost/members-auth-pages@1.*
@tryghost/members-auth-pages@1.0.0
@tryghost/members-auth-pages@1.1.0
@tryghost/members-auth-pages@1.1.1
@tryghost/members-auth-pages@1.1.2
@tryghost/members-auth-pages@1.1.3
@tryghost/members-browser-auth@0.*
@tryghost/members-browser-auth@0.1.0
@tryghost/members-browser-auth@0.1.1
@tryghost/members-browser-auth@0.1.2
@tryghost/members-browser-auth@0.1.3
@tryghost/members-browser-auth@0.2.0
@tryghost/members-browser-auth@0.2.1
@tryghost/members-browser-auth@0.2.2
@tryghost/members-browser-auth@0.2.3
@tryghost/members-csv@0.*
@tryghost/members-csv@0.1.0
@tryghost/members-csv@0.1.1
@tryghost/members-csv@0.1.2
@tryghost/members-csv@0.2.0
@tryghost/members-csv@0.2.1
@tryghost/members-csv@0.3.0
@tryghost/members-csv@0.3.1
@tryghost/members-csv@0.3.2
@tryghost/members-csv@0.3.3
@tryghost/members-csv@0.4.0
@tryghost/members-csv@0.4.1
@tryghost/members-csv@0.4.2
@tryghost/members-csv@0.4.3
@tryghost/members-csv@0.4.4
@tryghost/members-csv@0.4.5
@tryghost/members-csv@1.*
@tryghost/members-csv@1.0.0
@tryghost/members-csv@1.0.0-rc.2
@tryghost/members-csv@1.0.1
@tryghost/members-csv@1.1.0
@tryghost/members-csv@1.1.1
@tryghost/members-csv@1.1.2
@tryghost/members-csv@1.1.3
@tryghost/members-csv@1.1.4
@tryghost/members-csv@1.1.5
@tryghost/members-csv@1.1.6
@tryghost/members-csv@1.1.7
@tryghost/members-csv@1.1.8
@tryghost/members-csv@1.2.0
@tryghost/members-csv@1.2.1
@tryghost/members-csv@1.2.2
@tryghost/members-gateway-api@0.*
@tryghost/members-gateway-api@0.1.0
@tryghost/members-gateway-api@0.1.1
@tryghost/members-gateway-api@0.1.2
@tryghost/members-gateway-api@0.1.3
@tryghost/members-gateway-api@0.1.4
@tryghost/members-gateway-api@0.1.5
@tryghost/members-gateway-api@0.1.6
@tryghost/members-gateway-api@0.1.7
@tryghost/members-gateway-protocol@0.*
@tryghost/members-gateway-protocol@0.1.0
@tryghost/members-gateway-protocol@0.1.1
@tryghost/members-gateway-protocol@0.1.2
@tryghost/members-gateway-protocol@0.1.3
@tryghost/members-gateway-protocol@0.1.4
@tryghost/members-importer@0.*
@tryghost/members-importer@0.1.0
@tryghost/members-importer@0.1.1
@tryghost/members-importer@0.1.2
@tryghost/members-importer@0.2.0
@tryghost/members-importer@0.3.0
@tryghost/members-importer@0.3.1
@tryghost/members-importer@0.3.2
@tryghost/members-importer@0.3.3
@tryghost/members-importer@0.3.4
@tryghost/members-importer@0.3.5
@tryghost/members-importer@0.3.6
@tryghost/members-importer@0.3.7
@tryghost/members-offers@0.*
@tryghost/members-offers@0.1.0
@tryghost/members-offers@0.1.1
@tryghost/members-offers@0.1.2
@tryghost/members-offers@0.10.0
@tryghost/members-offers@0.10.1
@tryghost/members-offers@0.10.2
@tryghost/members-offers@0.10.3
@tryghost/members-offers@0.10.4
@tryghost/members-offers@0.2.0
@tryghost/members-offers@0.2.1
@tryghost/members-offers@0.3.0
@tryghost/members-offers@0.3.1
@tryghost/members-offers@0.3.2
@tryghost/members-offers@0.3.3
@tryghost/members-offers@0.3.4
@tryghost/members-offers@0.3.5
@tryghost/members-offers@0.4.0
@tryghost/members-offers@0.4.1
@tryghost/members-offers@0.4.2
@tryghost/members-offers@0.5.0
@tryghost/members-offers@0.6.0
@tryghost/members-offers@0.6.1
@tryghost/members-offers@0.6.2
@tryghost/members-offers@0.7.0
@tryghost/members-offers@0.7.1
@tryghost/members-offers@0.7.2
@tryghost/members-offers@0.8.0
@tryghost/members-offers@0.9.0
@tryghost/members-payments@0.*
@tryghost/members-payments@0.1.0
@tryghost/members-payments@0.1.1
@tryghost/members-payments@0.1.2
@tryghost/members-payments@0.1.3
@tryghost/members-payments@0.1.4
@tryghost/members-payments@0.1.5
@tryghost/members-payments@0.1.6
@tryghost/members-ssr@0.*
@tryghost/members-ssr@0.1.0
@tryghost/members-ssr@0.1.1
@tryghost/members-ssr@0.1.3
@tryghost/members-ssr@0.1.4
@tryghost/members-ssr@0.1.5
@tryghost/members-ssr@0.2.0
@tryghost/members-ssr@0.2.1
@tryghost/members-ssr@0.3.0
@tryghost/members-ssr@0.3.1
@tryghost/members-ssr@0.4.0
@tryghost/members-ssr@0.5.0
@tryghost/members-ssr@0.5.1
@tryghost/members-ssr@0.5.2
@tryghost/members-ssr@0.6.0
@tryghost/members-ssr@0.7.0
@tryghost/members-ssr@0.7.1
@tryghost/members-ssr@0.7.10
@tryghost/members-ssr@0.7.2
@tryghost/members-ssr@0.7.3
@tryghost/members-ssr@0.7.4
@tryghost/members-ssr@0.7.5
@tryghost/members-ssr@0.7.6
@tryghost/members-ssr@0.7.7
@tryghost/members-ssr@0.7.8
@tryghost/members-ssr@0.7.9
@tryghost/members-ssr@0.8.0
@tryghost/members-ssr@0.8.1
@tryghost/members-ssr@0.8.10
@tryghost/members-ssr@0.8.11
@tryghost/members-ssr@0.8.2
@tryghost/members-ssr@0.8.3
@tryghost/members-ssr@0.8.4
@tryghost/members-ssr@0.8.5
@tryghost/members-ssr@0.8.6
@tryghost/members-ssr@0.8.7
@tryghost/members-ssr@0.8.8
@tryghost/members-ssr@0.8.9
@tryghost/members-ssr@1.*
@tryghost/members-ssr@1.0.0
@tryghost/members-ssr@1.0.1
@tryghost/members-ssr@1.0.10
@tryghost/members-ssr@1.0.11
@tryghost/members-ssr@1.0.12
@tryghost/members-ssr@1.0.13
@tryghost/members-ssr@1.0.14
@tryghost/members-ssr@1.0.15
@tryghost/members-ssr@1.0.16
@tryghost/members-ssr@1.0.17
@tryghost/members-ssr@1.0.2
@tryghost/members-ssr@1.0.3
@tryghost/members-ssr@1.0.4
@tryghost/members-ssr@1.0.5
@tryghost/members-ssr@1.0.6
@tryghost/members-ssr@1.0.7
@tryghost/members-ssr@1.0.8
@tryghost/members-ssr@1.0.9
@tryghost/members-stripe-service@0.*
@tryghost/members-stripe-service@0.1.0
@tryghost/members-stripe-service@0.2.0
@tryghost/members-stripe-service@0.3.0
@tryghost/members-stripe-service@0.3.1
@tryghost/members-stripe-service@0.4.0
@tryghost/members-stripe-service@0.5.0
@tryghost/members-stripe-service@0.5.1
@tryghost/members-stripe-service@0.5.2
@tryghost/members-theme-bindings@0.*
@tryghost/members-theme-bindings@0.1.0
@tryghost/members-theme-bindings@0.2.0
@tryghost/members-theme-bindings@0.2.1
@tryghost/members-theme-bindings@0.2.2
@tryghost/members-theme-bindings@0.2.3
@tryghost/members-theme-bindings@0.2.4
@tryghost/members-theme-bindings@0.2.5
@tryghost/members-theme-bindings@0.2.6
@tryghost/product-repository@0.*
@tryghost/product-repository@0.1.1
@tryghost/stripe-service@0.*
@tryghost/stripe-service@0.1.0
@tryghost/substack-ghost-csv-converter@0.*
@tryghost/substack-ghost-csv-converter@0.1.0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-53950.json"