CVE-2021-47899

MediumCVSS 4.0/10Last modified Jun 17, 2026

Description

YetiShare File Hosting Script 5.1.0 contains a server-side request forgery vulnerability that allows attackers to read local system files through the remote file upload feature. Attackers can exploit the url parameter in the url_upload_handler endpoint to access sensitive files like /etc/passwd by using file:/// protocol.

Metrics

CVSS 3.1 4.0/10CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-434

Affected software

No affected versions have been published.

Timeline

Published: Jan 23, 2026
Last modified: Jun 17, 2026
NVD status: Deferred

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