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Advisories

Ghost 6.22.1 before 6.64.0 Stored XSS via Local Storage File Uploads

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severity
high
date
Affecting

  • Ghost >= 6.22.1, < 6.64.0

CWE
  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS
8.5
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Credit
evertrustai, Enis-Atilgan, doanmanhducz, iamharshitgupta, 5255fgh
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.

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