VULNERABILITY INTELLIGENCE

CVE-2025-66500

CVSS score6.3 MEDIUM
EPSS probability0.21%
CISA KEVNot currently listed
Published2025-12-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N

Description

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.

Weakness classification

  • 14984358-7092-470d-8f34-ade47a7658a2: CWE-79

Primary references