This report is currently private but will be published in 30 days.

WordPress My Super Plugin Plugin <= 1.0.5 is vulnerable to Cross Site Scripting (XSS)

Patch immediately High priority
Critical severity CVSS 3.1 score
30 days until published 29 July, 2023

Vulnerability description

Dave Jong discovered and reported this Cross Site Scripting (XSS) vulnerability in WordPress My Super Plugin Plugin to Patchstack.

See tips for patching this kind of vulnerability

How to reproduce

This vulnerability exists due to missing access control in the wp_nopriv_myaction WP AJAX action.

In order to reproduce it, send a POST payload to /wp-admin/admin-ajax.php with the follow POST parameters:


After this, the JavaScript script above will be executed on all pages.

Additional comment by Patchstack

This is an additional comment left by the Patchstack team.

Found this useful? Thank Dave Jong for reporting this vulnerability. Buy a coffee ☕
My Super Plugin
Vulnerable versions
<= 1.0.5
Not assigned yet
Cross Site Scripting (XSS)
OWASP Top 10
A7: Cross-Site Scripting (XSS)
Required privilege
Dave Jong Dave Jong
Publicly disclosed
in 30 days
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