CVE-2025-66523

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

Published Jan 20, 2026 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Foxit
Foxit esign
CPEs cpe:2.3:a:foxit:esign:*:*:*:*:*:*:*:*
Vendors & Products Foxit
Foxit esign
Type Values Removed Values Added
First Time appeared Foxitsoftware
Foxitsoftware na1.foxitesign.foxit.com
Vendors & Products Foxitsoftware
Foxitsoftware na1.foxitesign.foxit.com
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Reflected Cross-Site Scripting (XSS) Vulnerability in na1.foxitesign.foxit.com via Unsanitized URL Parameters
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Foxit
Published
Updated
Jan 20, 2026, 6:08 PM
Reserved
Dec 4, 2025, 3:37 AM
Status
Analyzed
Published
Jan 20, 2026, 7:15 AM
Modified
Jun 17, 2026, 9:56 AM