Digital Publications by Supsystic < 1.7.4 - Admin+ Stored Cross-Site Scripting

The plugin does not sanitise and escape its settings, allowing high privilege users such as admin to perform cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

PoC

1. Create new publication, name it whatever 2. Click the “Custom Page” tab to add a new page: - name it with the desired payload as the title: aaa" onclick='alert(123);' "> - select the publication you just created by checking the box next to it. - click publish 3. Go back to the list of publications, open the one you created and go to the “All Pages” tab: - click on the title of the page created in 2, and the payload triggers