Link Library < 7.4.1 - Admin+ Stored XSS

2022-12-2300:00:00

iohex

link library

admin+

stored xss

install plugin

insert payload

links date format

refresh page

xss popup

exploit

EPSS

0.001

Percentile

25.4%

JSON

The plugin does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

1. Install the plugin and go to: wp-admin/admin.php?page=link-library-general-options&currenttab=ll-general

2. Insert the payload in the 'Links Date Format', such as: '"><script>alert(/xss/);</script><'".

3. Refresh the page to get the XSS popup.

EPSS

0.001

Percentile

25.4%

JSON

Related for WPEX-ID:C4688C0B-0538-4151-995C-D437D7E4829D