Ghost from 6.22.1 before 6.64.0 contains a stored cross-site scripting vulnerability that allows staff users to host scripts by uploading files served with extension-derived content types on the default local storage adapter. Attackers can upload script-bearing files to the site's domain to compromise other staff users' admin sessions.
CVE-2026-104411
Score 7.3 from GitHub Security Advisory (severity: HIGH) published 2026-10-02. A secondary CVSS source baseline 7.3; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.3
- EG Score
- 7.3HIGHhigh confidence
- EG Risk
- 33EG Risk 33/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity73% × 45%Exploitation0% × 40%Automatability0% × 15%CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).Action: A fix is available. Apply it within your standard update timelines. - EPSS PROB
- 0.3%
- EPSS %ILE
- 15th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).
A fix is available. Apply it within your standard update timelines.
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
October 2, 2026
Last Modified
October 2, 2026
Advisory Details (2)
Auto-updated Oct 2, 2026Ghost 6.22.1 before 6.64.0 Stored XSS via Local Storage File Uploads | Advisories | VulnCheck
https://www.vulncheck.com/advisories/ghost-6.22.1-before-6.64.0-stored-xss-via-local-storage-file-uploadsStored XSS via File Uploads on Local Storage · Advisory · TryGhost/Ghost · GitHub
https://github.com/TryGhost/Ghost/security/advisories/GHSA-gfjp-2p8f-94qvVendor Advisories for CVE-2026-104411(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 12× in last 7d / 12× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-10-04 06:52 UTCGHSA enrichment
- 2026-10-03 18:41 UTCEG score recompute
- 2026-10-03 18:41 UTCGHSA enrichment
- 2026-10-03 14:25 UTCEPSS rescore
- 2026-10-03 06:30 UTCGHSA enrichment
- 2026-10-02 18:19 UTCEG score recompute
- 2026-10-02 18:19 UTCGHSA enrichment
- 2026-10-02 18:00 UTCEG score recompute
- 2026-10-02 18:00 UTCGHSA enrichment
- 2026-10-02 12:24 UTCEG score recompute
- 2026-10-02 11:49 UTCEG score recompute
- 2026-10-02 11:45 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-104411?
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Is CVE-2026-104411 actively exploited?
What is the CVSS score of CVE-2026-104411?
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Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-104411
Is Your Infrastructure Affected by CVE-2026-104411?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.