Vulnerability DatabaseWS-2021-0015
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
WS-2021-0015
Published:May 14, 2026
Updated:May 14, 2026
All versions of http-proxy-middelware contain malicious code. The index.js file attempts to download a file from a remote server and execute it. The file is not run upon installation - the package needs to be required or the index.js run manually.
Affected Packages
http-proxy-middelware (NPM):
Affected version(s) =2.9.0
Fix Suggestion:
Update to version no_fix
Related Resources (1)
https://www.npmjs.com/advisories/1599
Do you need more information?
Contact Us
CVSS v4
Base Score:
7.3
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH