JVN#41035278: BookStack vulnerable to cross-site scripting

BookStack contains a cross-site scripting vulnerability (CWE-79).

Impact

An arbitrary script may be executed on the user’s web browser.

Solution

Update the Software
Update the software to the latest version according to the information provided by the developer.

The developer states as follows;
After upgrading, The command php artisan bookstack:regenerate-comment-content should be ran to remove any pre-existing dangerous content.

Products Affected

• BookStack versions prior to v0.29.2