Umbraco September 2018 Security Advisory

Umbraco patch available now

Robert Foster · 21 September 2018

Umbraco have just released a patch for an issue affecting a library used by the CMS that could lead to exposure of private information.  A fix is available for affected sites along with instructions on how to implement it.  Umbraco recommends applying the patch to affected sites as soon as possible.

How to find out if you're affected

The affected versions are as follows:

  • 4.11.9 - 4.11.10
  • 6.0.6 - 6.2.6
  • 7.0.0 - 7.12.2

To work out what version your website is built on, the following handy reference should help you:

Umbraco 4 and 7 Version information is found in the About dialog
Umbraco version information for 4 and 6 is found in the About Dialog accessible by clicking on "About" in the top right corner
Umbraco 7 Version info
For Umbraco 7 it's found by clicking on the Help icon in the lower left corner - different version of Umbraco 7 may have a different appearance, but the location doesn't change.,

What can I do about it?

You can read about the security patch on Umbraco's blog here - Security advisory: Patch for your site is now available- external link; the details on how to upgrade your website are included in the blog post; however if you would like to engage Your friendly IT Team to manage the upgrade safely and securely for you give us a call or send us a message and we'll respond as soon as possible.



Robert Foster

Robert Foster

Robert is a seasoned software consultant and with over 25 years in designing software architecture and development across a broad spectrum of technologies from desktop and windows server applications through to websites and cloud solutions and mobile apps. He has been part of the Umbraco scene for many years, contributing to the core and developing packages. Robert is currently responsible for the organisation and facilitation of Umbraco meetups in Melbourne and Sydney and is a key driver in community initiatives like the Umbraco Down Under Festival.

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