WordPress Popup <= 1.9.3.8 - Admin+ Stored Cross-Site Scripting

2022-07-0500:00:00

Raad Haddad of Cloudyrion GmbH

137

wordpress

popup

admin

stored

cross-site scripting

vulnerability

EPSS

0.001

Percentile

24.8%

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 when the unfiltered_html capability is disallowed (for example in multisite setup)

On http://target.tld/wp-admin/edit.php?post_type=spucpt&page=spu_settings

Add the payload "><script>alert(/XSS/)</script> on the Affiliate link text field

EPSS

0.001

Percentile

24.8%

JSON

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