CVE-2025-66500mediumCWE-79

CVE-2025-66500: medium-severity vulnerability in Foxit Software Inc. webplugins.foxit.com

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

Published

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.3epss 0.2%
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
Affected products
Foxit Software Inc. · webplugins.foxit.com