CVE-2020-8268

Published: Nov 9, 2020Modified: Jun 17, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

Prototype pollution vulnerability in json8-merge-patch npm package < 1.0.3 may allow attackers to inject or modify methods and properties of the global object constructor.

Affected (1)

Products: Json8 Merge Patch Project: Json8 Merge Patch

Json8 Merge Patch Project

1 product

Json8 Merge Patch

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Json8 Merge Patch Project Json8 Merge Patch	Before 1.0.3

Related CWEs

CWE-20

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

CWE-471

Modification of Assumed-Immutable Data (MAID)

The product does not properly protect an assumed-immutable element from being modified by an attacker.

References (2)

https://hackerone.com/reports/980649

Source: support@hackerone.com

ExploitIssue TrackingThird Party Advisory

https://hackerone.com/reports/980649

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitIssue TrackingThird Party Advisory

Timeline

No history available yet.