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CVE-2026-53948 Ghost: File Upload Content-Type Spoofing

🗓️ 24 Jun 2026 18:06:30Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 56 Views

Ghost Admin API file upload spoofing Content-Type on storage enabling stored XSS; fixed in 6.21.1.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-53948
24 Jun 202618:06
–attackerkb
circl
Circl
CVE-2026-53948
5 Aug 202610:31
–circl
cve
CVE
CVE-2026-53948
24 Jun 202618:06
–cve
euvd
EUVD
EUVD-2026-39021
4 Aug 202621:05
–euvd
github
Github Security Blog
Ghost: File Upload Content-Type Spoofing
4 Aug 202621:05
–github
mend
Mend
CVE-2026-53948
24 Jun 202618:06
–mend
nvd
NVD
CVE-2026-53948
24 Jun 202619:17
–nvd
osv_bit
osv_bit
BIT-GHOST-2026-53948 Ghost: File Upload Content-Type Spoofing
30 Jun 202623:39
–osv_bit
osv_ghsa
osv_ghsa
GHSA-944X-PM95-3JPR Ghost: File Upload Content-Type Spoofing
4 Aug 202621:05
–osv_ghsa
patchstack
Patchstack
NPM: Ghost: File Upload Content-Type Spoofing
4 Aug 202621:05
–patchstack
Rows per page
[
  {
    "vendor": "TryGhost",
    "product": "Ghost",
    "versions": [
      {
        "version": ">= 6.19.4, < 6.21.1",
        "status": "affected"
      }
    ]
  }
]

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