Description
WordPress Plugin PG Flash Gallery 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 PG Flash Gallery version 4.1.1 is vulnerable.
Remediation
Edit the source code to ensure that input is properly sanitised or disable the plugin until a fix is available
References
Related Vulnerabilities
Roundcube Cross-site Scripting (XSS) Vulnerability (CVE-2015-1433)
WordPress 5.5.x Multiple Vulnerabilities (5.5 - 5.5.5)
WordPress Plugin Cashtomer SQL Injection (1.0.0)
WordPress Plugin Google Maps in Posts Cross-Site Scripting (1.5.3)
WordPress Plugin Alpine PhotoTile for Instagram Cross-Site Scripting (1.2.6.5)