Metricool < 1.18 - Admin+ Stored XSS

2022-12-2000:00:00

qerogram(at Kakao Style Corp.)

metricool plugin vulnerability

stored xss

admin+ vulnerability

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. In the settings page of the plugin, add the payload under Blog or website identifier: '})});alert('XSS')//

2. Open the site on the browser to get the XSS trigger.

EPSS

0.001

Percentile

25.4%

JSON

Related for WPEX-ID:169C5611-ED10-4CC3-BD07-09B365ADF303