CVE-2025-66523

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.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://www.foxit.com/support/security-bulletins.html	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:foxit:esign:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-01-20 07:15

Updated : 2026-06-17 09:56

NVD link : CVE-2025-66523

Mitre link : CVE-2025-66523

CVE.ORG link : CVE-2025-66523

JSON object : View

Products Affected

foxit

esign

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"id": "CVE-2025-66523", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-66523", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-20T18:07:34.333089Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "14984358-7092-470d-8f34-ade47a7658a2", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "affected": [{"source": "14984358-7092-470d-8f34-ade47a7658a2", "affectedData": [{"vendor": "Foxit Software Inc.", "product": "na1.foxitesign.foxit.com", "versions": [{"status": "affected", "version": "before 2026\u201101\u201116"}], "defaultStatus": "unaffected"}]}], "published": "2026-01-20T07:15:48.490", "references": [{"url": "https://www.foxit.com/support/security-bulletins.html", "tags": ["Vendor Advisory"], "source": "14984358-7092-470d-8f34-ade47a7658a2"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "14984358-7092-470d-8f34-ade47a7658a2", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "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.\n\n\n\n\n\n\nThis issue affects na1.foxitesign.foxit.com: before 2026\u201101\u201116."}, {"lang": "es", "value": "Los par\u00e1metros de URL se incrustan directamente en c\u00f3digo JavaScript o atributos HTML sin la codificaci\u00f3n o sanitizaci\u00f3n adecuadas. Esto permite a los atacantes inyectar scripts arbitrarios cuando un usuario autenticado visita un enlace manipulado.\n\nEste problema afecta a na1.foxitesign.foxit.com: antes del 16-01-2026."}], "lastModified": "2026-06-17T09:56:58.897", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:foxit:esign:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B04F458C-B946-4F58-AC59-8C87FB5AD66B", "versionEndExcluding": "2026-01-16"}], "operator": "OR"}]}], "sourceIdentifier": "14984358-7092-470d-8f34-ade47a7658a2"}