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

CVE-2025-66500

Foxit webplugins.foxit.com Stored Cross-Site Scripting via postMessage Vulnerability PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
Foxit Software Inc. / webplugins.foxit.com	affected before 2025‑12‑01

CWE

CWE-79

References

https://www.foxit.com/support/security-bulletins.html

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.