CVE-2025-66520

MEDIUM

Foxit PDF Editor - XSS

Title source: llm

Description

A stored cross-site scripting (XSS) vulnerability exists in the Portfolio feature of the Foxit PDF Editor cloud (pdfonline.foxit.com). User-supplied SVG files are not properly sanitized or validated before being inserted into the HTML structure. As a result, embedded HTML or JavaScript within a crafted SVG may execute whenever the Portfolio file list is rendered.

References (1)

[Vendor Advisory] https://www.foxit.com/support/security-bulletins.html

Scores

CVSS v3 6.3

EPSS 0.0004

EPSS Percentile 13.0%

Attack Vector NETWORK

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

Classification

CWE

CWE-79

Status published

Affected Products (1)

foxit/pdf_editor_cloud < 2025-12-01

Timeline

Published Dec 19, 2025

Tracked Since Feb 18, 2026