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wpexploit[email protected] incWPEX-ID:BFA8F46F-D323-4A2D-B875-39CD9B4CEE0A
HistorySep 22, 2021 - 12:00 a.m.

Cookie Bar <= 1.8.8 - Admin+ Stored Cross-Site Scripting

2021-09-2200:00:00
110
cookie bar
xss
admin
exploit
frontend
vulnerability

EPSS

0.001

Percentile

24.8%

The plugin doesn’t properly sanitise the Cookie Bar Message setting, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Add the following payload in the "Cookie Bar Message" setting of the plugin (/wp-admin/options-general.php?page=cookie-bar-settings): <img src onerror=alert(/XSS/)>

Then access the frontend (with any user/unauthenticated user) to trigger the XSS

EPSS

0.001

Percentile

24.8%

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