EUVD-2025-200288
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Lifecycle Timeline
4Tags
Description
EverShop 2.0.1 allows a remote unauthenticated attacker to upload arbitrary files and create directories via the /api/images endpoint. The endpoint is accessible without authentication by default, and server-side validation of uploaded files is insufficient. This can be abused to upload arbitrary content (including non-image files) which could impersonate user/admin login panels (exfiltrating credentials) and to perform a denial-of-service attack by exhausting disk space.
Analysis
EverShop 2.0.1 allows a remote unauthenticated attacker to upload arbitrary files and create directories via the /api/images endpoint. The endpoint is accessible without authentication by default, and server-side validation of uploaded files is insufficient. This can be abused to upload arbitrary content (including non-image files) which could impersonate user/admin login panels (exfiltrating credentials) and to perform a denial-of-service attack by exhausting disk space.
Technical Context
Unrestricted file upload allows attackers to upload malicious files (web shells, executables) that can then be executed on the server. This vulnerability is classified as Unrestricted Upload of File with Dangerous Type (CWE-434).
Affected Products
Affected products: Evershop Evershop 2.0.1
Remediation
Validate file types by content (magic bytes), not just extension. Store uploads outside the web root. Use random filenames. Scan uploads for malware.
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External POC / Exploit Code
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