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Vulnerability of Node.js handlebars: code execution via Lookup Helper

Synthesis of the vulnerability 

An attacker can use a vulnerability via Lookup Helper of Node.js handlebars, in order to run code.
Impacted software: Nodejs Modules ~ not comprehensive.
Severity of this computer vulnerability: 2/4.
Creation date: 15/11/2019.
Références of this announce: NPM-1316, VIGILANCE-VUL-30892.

Description of the vulnerability 

An attacker can use a vulnerability via Lookup Helper of Node.js handlebars, in order to run code.
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This vulnerability bulletin impacts software or systems such as Nodejs Modules ~ not comprehensive.

Our Vigil@nce team determined that the severity of this security note is medium.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this cybersecurity note.

Solutions for this threat 

Node.js handlebars: version 4.5.2.
The version 4.5.2 is fixed:
  https://www.npmjs.com/
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