WordPress Calls to Action <= 2.2.7 - Stored XSS

The AJAX action ‘inbound_form_save’ allows unauthenticated users to update the content of any specific form on the site. In order to exploit this, a form ID must be enumerated using another unauthenticated AJAX action, ‘inbound_get_form_data’. Once a form ID has been enumerated, the content of the form may be overwritten a request like the one constructed in the PoC below. This allows for a Persistent XSS to be achieved on any page that a form is used, as no validation is performed on the input of the ‘shortcode’ field data.

Affects Plugin

fixed in version 2.2.8


URL https://research.g0blin.co.uk/g0blin-00026/


Type XSS
OWASP Top 10 A3: Cross-Site Scripting (XSS)


Submitter James Hooker
Submitter Website https://research.g0blin.co.uk
Submitter Twitter g0blinResearch
Views 1620
Verified No


Publicly Published 2015-02-02 (almost 4 years ago)
Added 2015-02-02 (almost 4 years ago)
Last Updated 2015-05-15 (over 3 years ago)

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