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SummaryThe menu settings and theme configuration could have been modified by luring a logged in admin to a manipulated website.
Advisory Release Date



Linchpin Theme*

Linchpin Intranet Suite

Linchpin Essentials

Affected Versions

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

Fixed 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 it is possible to lure an admin to a prepared website, in order to change the menu settings (the look, anonymous access, unlocking the menu, space category based menu and personalization) and theme configuration for all users of the system.

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 5.4 according to CVSS. The score is calculated as CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/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

This page was last edited on 09/01/2021.