VULNERABILITY INTELLIGENCE
CVE-2021-47899
CVSS score4 MEDIUM
EPSS probability0.30%
CISA KEVNot currently listed
Published2026-01-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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.
Weakness classification
- disclosure@vulncheck.com: CWE-434