Unauthorized users were potentially able to execute code within the space directory.
|Advisory Release Date
Linchpin Intranet Suite
Linchpin Theme 2.25.2 and all prior versions
Linchpin Intranet Suite 5.0.1 and all prior versions
Linchpin Essentials 2.0.1 and all prior versions
Linchpin Theme 2.25.3
Linchpin Intranet Suite 5.0.2
Linchpin Essentials 2.0.2
During an internal security audit, we discovered that an attacker could potentially store code as a logged in user. This code would be executed when a corrupted space is clicked on within the space directory (the space directory would have to be set to tile view).
Affected are the apps Linchpin Theme up to and including version 2.25.2, Linchpin Intranet Suite up to and including version 5.0.1 and Linchpin Essentials up to and including version 2.0.1.
The vulnerability is rated as 8.7 according to CVSS. The score is calculated as CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N.
For Linchpin Theme customers: Update to Linchpin Theme version 2.25.3 or later.
For Linchpin Suite customers: Update to Linchpin Suite 5.0.2 or later.
For Linchpin Essentials customers: Update to Linchpin Essentials 2.0.2 or later.
Should you be unable to update the Linchpin Intranet Suite to one of the listed versions, please reach out to our support team at https://seibert.biz/help.