Skip to content

Prototype pollution vulnerability in js-extend

Critical severity GitHub Reviewed Published Jun 8, 2021 to the GitHub Advisory Database • Updated Jan 27, 2023

Package

npm js-extend (npm)

Affected versions

<= 1.0.1

Patched versions

None

Description

Prototype pollution vulnerability in 'js-extend' versions 0.0.1 through 1.0.1 allows attacker to cause a denial of service and may lead to remote code execution.

References

Published by the National Vulnerability Database May 26, 2021
Reviewed May 27, 2021
Published to the GitHub Advisory Database Jun 8, 2021
Last updated Jan 27, 2023

Severity

Critical
9.8
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CVE ID

CVE-2021-25945

GHSA ID

GHSA-mh82-55cm-6gfh

Source code

Checking history
See something to contribute? Suggest improvements for this vulnerability.