Description
WordPress Plugin Zendesk Help Center by BestWebSoft 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 Zendesk Help Center by BestWebSoft version 1.0.4 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 1.0.5 or latest
References
https://packetstormsecurity.com/files/142118/WordPress-BestWebSoft-XSS-CSRF.html
https://wordpress.org/plugins/zendesk-help-center/#changelog
Related Vulnerabilities
WordPress Plugin Fancy Comments WordPress Cross-Site Scripting (1.2.10)
WordPress Plugin Timed Popup Cross-Site Request Forgery (1.3)
Oracle JRE CVE-2018-2579 Vulnerability (CVE-2018-2579)
WordPress 4.4.x Multiple Vulnerabilities (4.4 - 4.4.12)
WordPress Plugin Captain Slider Cross-Site Scripting (1.0.6)