CVSS 4.8 · Medium EPSS 0,25%
Kerentanan Unrestricted Upload of File with Dangerous Type. Skor CVSS 3.1 4.8 (Medium) menurut vulncheck.com.
Ech0 before 4.4.3 contains a stored cross-site scripting vulnerability in the file upload endpoint that validates Content-Type using only client-supplied headers without server-side inspection. Attackers with admin privileges can upload SVG or HTML files containing JavaScript that executes in the application origin when accessed by any user, enabling session hijacking and data exfiltration.
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
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