Prototype Pollution

2023-07-1006:02:28

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

flatnest

prototype pollution

nest.js

modification

attributes

injection

vulnerability

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.003

Percentile

70.3%

JSON

flatnest is vulnerable to Prototype Pollution. An attacker can inject properties into existing prototypes via the nest function of nest.js and modify the attributes such as __proto__, constructor, and prototype in the obj parameter, resulting in Prototype Pollution.