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  4. CVE 2026 104411 ghost 6221 before 6640 stored xss via local
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Back to active CVEs
High · CVSS 8.5CVE-2026-104411

Ghost 6.22.1 before 6.64.0 Stored XSS via Local Storage File Uploads

Answer in brief

CVE-2026-104411 records a High severity (CVSS 8.5) vulnerability in Ghost 6.22.1 before 6.64.0 Stored XSS via Local Storage File Uploads. The current sources do not mark it as known exploited. The current feed maps TryGhost/Ghost (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 2, 2026Updated Oct 2, 2026Source checked Oct 2, 2026First seen by HOL Oct 2, 2026Material review Oct 2, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.5
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps TryGhost/Ghost (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
TryGhost/Ghostgeneric>=6.22.1 <6.64.06.64.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for TryGhost/Ghost.
  2. 2Review the reported fix. Update TryGhost/Ghost to 6.64.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 2, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 2, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 2, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • WordPress ThemeREX Addons plugin <= 2.46.0 - Cross Site Scripting (XSS) vulnerabilityAlso CWE-79
  • SourceCodester Student Result Management System Announcement new_announcement.php cross site scriptingAlso CWE-79
  • MISP Stored XSS via Unescaped Count Field Value in Remote Event Preview IndexAlso CWE-79
  • MISP ID Translator: Unescaped Remote Event ID Enables Cross-Site Scripting via Linked ServerAlso CWE-79
  • Reflected XSS in Loglama.NET's TurkHotspotAlso CWE-79
  • JetAppointment <= 2.5.2.1 - Unauthenticated Stored Cross-Site Scripting via 'friendlyTime' ParameterAlso CWE-79

Record context

Vulnerability class
XSS
EPSS
Not reported
CWE IDs
CWE-79
Source
CVE List V5
Source checked
Oct 2, 2026
References
2 linked sources
Open source record