Modern Events Calendar lite <= 5.16.2 - Admin+ Stored XSS

2023-03-1400:00:00

Pavak Tiwari

xss

stored

import/export

google api

calendar id

0.001 Low

EPSS

Percentile

23.3%

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. Go to the import/export section.

2. Enter the following payload in the input fields of Google API key and Calendar ID: "><img src=x onerror=alert(document.domain)>

0.001 Low

EPSS

Percentile

23.3%

JSON

Related for WPEX-ID:C7FECEEF-28F1-4CAC-B124-4B95E3F17B07