mall4j through 4.0 contains an unrestricted file upload vulnerability in FileController endpoints that lack authorization checks and accept arbitrary file types without validation. Attackers with any authenticated token can upload HTML or SVG files that execute scripts in administrator browsers when accessed from the local storage path, resulting in stored cross-site scripting.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
Low
Basic privileges needed
User Interaction
Passive
Minimal interaction
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products
gz-yami:mall4j
References 5
https://github.com/LinYuanyi1/cve-request-poc/blob/114b3f0d149e50a7678f591bf804…
NVD
https://github.com/gz-yami/mall4j
NVD
https://github.com/gz-yami/mall4j/blob/ffc672fc1aa4320ce02d0b93853bb456ae0a4dae…
NVD
https://github.com/gz-yami/mall4j/blob/ffc672fc1aa4320ce02d0b93853bb456ae0a4dae…
NVD
https://www.vulncheck.com/advisories/mall4j-through-4.0-unrestricted-file-uploa…
VulnCheck Advisory: mall4j through 4.0 Unrestricted File Upload in Admin File Endpoints