GigPress <= 2.3.29 - Admin+ Stored Cross Site Scripting

2024-01-1900:00:00

Bob Matyas

wpscan.com

gigpress

admin+

stored cross site scripting

unsanitized settings

vulnerability

high privilege user

multisite setup

AI Score

4.9

Confidence

High

EPSS

Percentile

9.0%

JSON

Description 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)

PoC

1. Go to “GigPress > Settings” 2. Enter the payload "> in the “Artist Label” field" 3. Click “Save Changes” and see XSS 4. Other fields may also be vulnerable