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935 B
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23 lines
No EOL
935 B
Text
# Exploit Title: WordPress Plugin Popup Maker <1.16.5 - Persistent Cross-Site Scripting (Authenticated)
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# Date: 2022-03-03
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# Exploit Author: Roel van Beurden
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# Vendor Homepage: https://wppopupmaker.com
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# Software Link: https://downloads.wordpress.org/plugin/popup-maker.1.16.4.zip
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# Version: <1.16.5
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# Tested on: WordPress 5.9 on Ubuntu 20.04
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1. Description:
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WordPress Plugin Popup Maker <1.16.5 does not sanitise and escape some of its popup 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.
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2. Proof of Concept:
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Create Popup > Popup Settings > Triggers > Add New Cookie > Add > Cookie Time (overwrite the default '1 month' with XSS payload)
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Click 'Add' what triggers the XSS payload
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Payload examples:
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<script>alert('XSS');</script>
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<img src=x onerror=alert('XSS')> |