Advisory 2023-06/07 Prototype Pollution Vulnerability in Async Module

Vulnerability typePrototype Pollution
Severity factors

This vulnerability has a CVSS score of 7.8 with a high severity rating.

Versions affectedFileCloud Versions 22.1 and earlier
Version fixedFileCloud Version 23.1 and later


Versions of async earlier than 3.2.2 could have enabled a malicious actor to modify attributes of an object prototype.

These vulnerabilities have been fixed in FileCloud version which upgrades async to a version above 3.2.3.

What you should do to fix this vulnerability

  • If you are using FileCloud Server, it is recommended that you update to the latest version, which is or greater. This will resolve the issue.
  • If you are using FileCloud Online, your site has already been updated to the latest version.

If you have any questions about this advisory, please contact FileCloud support.