CVE-2025-66523

Reflected Cross-Site Scripting (XSS) Vulnerability in na1.foxitesign.foxit.com via Unsanitized URL Parameters

State: Published
Severity: 6.1 Medium
Published: Jan 20, 2026
Updated: Jan 20, 2026
Reserved: Dec 4, 2025

Description

URL parameters are directly embedded into JavaScript code or HTML attributes without proper encoding or sanitization. This allows attackers to inject arbitrary scripts when an authenticated user visits a crafted link.

This issue affects na1.foxitesign.foxit.com: before 2026‑01‑16.

Scores

CVSS	Score	Vector	Source
3.1	6.1 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	Foxit

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Affected Products

Product	Versions
na1.foxitesign.foxit.comFoxit Software Inc.	before 2026‑01‑16Affected

References

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

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