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Severity
Medium
Analysis Summary
CVE-2021-20591
Node.js tinymce module is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the core parser for form elements. 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
Affected Vendors
Node.js
Affected Products
- Node.js tinymce 5.7.0
Remediation
Upgrade to the latest version of tinymce (5.7.1 or later), available from the NPM Web site. https://www.npmjs.com/advisories/1749