CVE-2025-66500

published 2025-12-19

CVE-2025-66500: A stored cross-site scripting (XSS) vulnerability exists in webplugins.foxit.com. A postMessage handler fails to validate the message origin and directly…

medium 5.4 CVSS 3.1

AV N AC L PR L UI R S C C L I L A N

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
foxit	pdf_editor_cloud	< 2025-12-01	2025-12-01
foxit_software_inc	webplugins.foxit.com	—	—

CWE-79