Unvalidated HTML Fragment Injection in LedgerSMB Allows for Remote Code Execution and Information Disclosure

CVE-2021-3693 · CRITICAL Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

LedgerSMB does not check the origin of HTML fragments merged into the browser's DOM. By sending a specially crafted URL to an authenticated user, this flaw can be abused for remote code execution and information disclosure.

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