CVE-2019-15954: Totaljs Total.js CMS

Critical severity, CVSS 9.9. EPSS: 78.7% chance of exploitation in the next 30 days.

An issue was discovered in Total.js CMS 12.0.0. An authenticated user with the widgets privilege can gain achieve Remote Command Execution (RCE) on the remote server by creating a malicious widget with a special tag containing JavaScript code that will be evaluated server side. In the process of evaluating the tag by the back-end, it is possible to escape the sandbox object by using the following payload: <script total>global.process.mainModule.require(child_process).exec(RCE);</script>

Affected products

• Totaljs Total.js CMS: version 12.0.0 only

Published 2019-09-05. Last modified 2026-06-17.