Description
WordPress Plugin OpenID Connect Generic Client 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 OpenID Connect Generic Client versions 3.8.0 and 3.8.1 are vulnerable.
Remediation
Update to plugin version 3.8.2 or latest
References
https://sploitus.com/exploit?id=WPEX-ID:31CF0DFB-4025-4898-A5F4-FC7115565A10
https://plugins.svn.wordpress.org/daggerhart-openid-connect-generic/trunk/readme.txt
Related Vulnerabilities
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WordPress Plugin Consulting Elementor Widgets SQL Injection (1.3.0)
Drupal Improper Input Validation Vulnerability (CVE-2013-6389)
WordPress Plugin SocialGrid 'default_services' Parameter Cross-Site Scripting (2.3)