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

May 17, 2022

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

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