Floating Chat Widget < 3.2.3 - Admin+ Stored XSS

2024-05-2300:00:00

Krugov Artyom

wpscan.com

floating chat widget

admin+

stored xss

settings

high privilege

cross-site scripting

unfiltered_html capability

multisite setup

update

poc

5.4 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

14.2%

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 "Chaty > Create New Widgets 3. Intercept the widget’s edit request and save it. 4. Put the payload in the cht_social_Phone[contact_form_title_bg_color] parameter ">