WordPress API Bearer Auth plugin version 20181229 suffers from a cross site scripting vulnerability.
5d068887a0b5f3b6e9222803c164d5aeClass Input Validation Error
Remote Yes
Credit Ricardo Sanchez
Vulnerable Api bearer auth 20181229
Api bearer auth is prone to a reflected cross-site scripting vulnerability
because it fails to sufficiently sanitize user-supplied data.
An attacker may leverage this issue to execute arbitrary script code in the
browser of an unsuspecting user in the context of the affected site. This
may allow the attacker to steal cookie-based authentication credentials and
to launch other attacks.
To exploit this issue following steps:
The XSS reflected because the value url is not filter correctly:
Demo Request GET:
http://localhost/wordpress/wp-content/plugins/api-bearer-auth/swagger/swagger-config.yaml.php?&server=%3Cscript%3Ealert(%22R1XS4.COM%22)%3C/script%3E