Description
WordPress Plugin Login with Cognito 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 Login with Cognito version 1.4.8 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 1.4.9 or latest
References
https://sploitus.com/exploit?id=WPEX-ID:AC2E3FEA-E1E6-4D90-9945-D8434A00A3CF
https://plugins.svn.wordpress.org/login-with-cognito/trunk/readme.txt
Related Vulnerabilities
Apache Traffic Server Improper Input Validation Vulnerability (CVE-2010-2952)
WordPress Plugin Pay Per Media Player Multiple Cross-Site Scripting Vulnerabilities (1.24)
WordPress Incorrect Authorization Vulnerability (CVE-2017-6816)
Moodle Permissions, Privileges, and Access Controls Vulnerability (CVE-2011-4289)