Rewterz Threat Advisory – CVE-2021-42648 – Node.js code-server module Vulnerability

Severity

Medium

Analysis Summary

CVE-2021-42648

Node.js code-server module is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute script in a victim’s Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.

Impact

• Cross-Site Scripting

Indicators Of Compromise

CVE

• CVE-2021-42648

Affected Vendors

• Node.js

Affected Products

• Node.js code-server 4.0.0

Remediation

Upgrade to the latest version of Node.js code-server module, available from the NPM Web site.

NPM Website