Description
WordPress Plugin WordPress Button Plugin MaxButtons is prone to a cross-site scripting vulnerability because it fails to properly sanitize user-supplied input. 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 can allow the attacker to steal cookie-based authentication credentials and launch other attacks. WordPress Plugin WordPress Button Plugin MaxButtons version 6.18 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 6.19 or latest
References
https://www.rastating.com/maxbuttons-6-18-reflected-xss/
http://jvn.jp/en/jp/JVN70411623/index.html
https://plugins.svn.wordpress.org/maxbuttons/trunk/readme.txt
Related Vulnerabilities
WordPress Plugin ADIF Log Search Widget Cross-Site Scripting (1.0e)
WordPress Plugin Maintenance Cross-Site Request Forgery (3.6.4)
WordPress 5.4.x Multiple Vulnerabilities (5.4 - 5.4.14)
WebLogic Deserialization of Untrusted Data Vulnerability (CVE-2021-4104)
TYPO3 Permissions, Privileges, and Access Controls Vulnerability (CVE-2010-3717)