CVE-2025-66500

MEDIUM

6.3

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.

CVE Details

CVSS v3.1 Score6.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionREQUIRED

Published12/19/2025

Last Modified12/23/2025

Sourcenvd

Honeypot Sightings0

Affected Products

foxit:pdf_editor_cloud

Weaknesses (CWE)

CWE-79

References

https://www.foxit.com/support/security-bulletins.html(14984358-7092-470d-8f34-ade47a7658a2)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.