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SummaryUnauthorized users were potentially able to modify the sidebar configuration.
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


A security researcher in our bug bounty program recently discovered this issue. The researcher could identify that an attacker could potentially modify the sidebar configuration. 

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 7.5 according to CVSS. The score is calculated as CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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 09/02/2021.