CVE-2026-53950

highPriorität · verfolgen · 0EPSS 0.004 · 29. PerzentilEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.35% (29th) EPSS

CVSS 7.5 · high

Is it mine?

3 products

Prüfe deine Angriffsfläche

Who says so?

3 sources

cnnvd · enisa_euvd · osv

EPSS · bewertet 2026-10-27

@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

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

7.5

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · security-advisories@github.comAusnutzbarkeit 1.6 · Auswirkung 5.9

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · OSV

v3.16.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

SSVC

Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-79USprimärCWE-79US

betroffene Produkte (3)

Betroffene Produkte und Versionsbereiche.

TryGhost Ghost≤ < 3.1.0enisa_euvdEU
Bitnami ghost< 3.1.0osvUSpkg:bitnami/ghost
npm @tryghost/activitypub< 3.1.0osvUSpkg:npm/%40tryghost/activitypub

Advisories (2)

Hersteller- und Ökosystem-Meldungen dazu.

GHSA-xpp7-93x6-v29mXSS in Ghost's ActivityPub client2026-08-04ghsa · osvUS
### Impact The ActivityPub client in Ghost was vulnerable to JavaScript injection on posts shared by a maliciously customised ActivityPub server. ### Vulnerable Versions This vulnerability is present in the @tryghost/activitypub package up to v3.0.8. All prior versions are also affected. ### Patches @tryghost/activitypub v3.1.0 contains a fix for this issue and is also automatically fetched by Ghost. ### References Ghost thanks Brad Geesaman, Ghost Security for disclosing this vulnerability responsibly. ### For more information If you have any questions or comments about this advisory, email Ghost at [security@ghost.org](mailto:security@ghost.org).
BIT-ghost-2026-53950@tryghost/activitypub: XSS in Ghost's ActivityPub client2026-06-30vendor · osvUS
@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.

auch bekannt als (5)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd osv NVD CVE.org MITRE

veröffentlicht 2026-06-24geändert 2026-10-25

verwandt (53,011)

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An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0 and 10.0 and 10.1. A Cross-Site Scripting (XSS) vulnerability in the Zimbra Classic UI allows attackers to exec…
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+53006 weitere

Referenzen (3)

Externe Belege — Patches, Meldungen, Analysen.

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