CVE-2025-66500

CVE-2025-66500 describes a stored XSS in Foxit’s webplugins.foxit.com where a postMessage handler fails to validate the message origin and directly assigns externalPath to a script source, enabling arbitrary JavaScript execution when a crafted postMessage is received. The description is consisten...

CVE-2025-66500 Foxit webplugins.foxit.com Stored Cross-Site Scripting via postMessage Vulnerability

A stored cross-site scripting XSS vulnerability exists in webplugins.foxit.com. A postMessage handler fails to validate the message origin and directly assigns externalPath to a script source, allowing an attacker to execute arbitrary JavaScript when a crafted postMessage is received...