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Rewterz Threat Advisory – CVE-2021-33295 – Node.js joplin module Vulnerability

Severity

Medium

Analysis Summary

CVE-2021-33295

Node.js joplin module is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the NOSCRIPT tags in htmlUtils.ts. 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-2021-33295

Affected Vendors

Node.js

Affected Products

Node.js joplin 1.8.1

Remediation

Upgrade to the latest version of joplin, available from the NPM Web site.
NPM Web site