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Start learningUpgrade facturascripts/facturascripts to version 2026.3 or higher.
Affected versions of this package are vulnerable to Arbitrary File Upload in the move process. An attacker can write arbitrary files outside the intended directory and achieve remote code execution by uploading specially crafted filenames containing directory traversal sequences and malicious payloads. This is only exploitable if the attacker has an authenticated session or API token with upload privileges.