Prototype Pollution in just-extend

Description

Versions of just-extend before 4.0.0 are vulnerable to prototype pollution. Provided certain input just-extend can add or modify properties of the Object prototype. These properties will be present on all objects.

Recommendation

Update the just-extend package to the latest compatible version. Followings are version details:

• Affected version(s): < 4.0.0
• Patched version(s): 4.0.0

References

• GHSA-675m-85rw-j3w4
• hackerone.com
• www.npmjs.com
• CVE-2018-16489
• CWE-1321
• CWE-400
• CAPEC-310
• OWASP 2021-A6

Related Issues

• DOMpurify has a nesting-based mXSS - CVE-2024-47875
• Path Traversal in simplehttpserver - CVE-2018-16478
• Cross-Site Scripting in html-pages - CVE-2018-16481
• Path Traversal in http-server-node - CVE-2021-23797

Tags:

npm

just-extend