CVE-2025-66519— Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Layer Import Functionality
Quick assessment
Affected
Foxit Software Inc. pdfonline.foxit.com
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Foxit PDF Editor是中国福昕（Foxit）公司的一款PDF编辑器。 Foxit PDF Editor存在安全漏洞，该漏洞源于图层导入功能中未正确清理输入，可能导致存储型跨站脚本。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
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I. Basic Information for CVE-2025-66519
Vulnerability Information
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Vulnerability Title
Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Layer Import Functionality
Source: CVE Program / CVE List V5
Vulnerability Description
A stored cross-site scripting (XSS) vulnerability exists in pdfonline.foxit.com within the Layer Import functionality. A crafted payload can be injected into the “Create new Layer” field during layer import and is later rendered into the DOM without proper sanitization. As a result, the injected script executes when the Layers panel is accessed.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Foxit PDF Editor 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Foxit PDF Editor是中国福昕（Foxit）公司的一款PDF编辑器。 Foxit PDF Editor存在安全漏洞，该漏洞源于图层导入功能中未正确清理输入，可能导致存储型跨站脚本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Foxit Software Inc. | pdfonline.foxit.com | before 2025‑12‑01 | - |
|
II. Public POCs for CVE-2025-66519
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · Foxit Software Inc. · 2025-12-19 · 15 CVEs total
| CVE-2025-13941 | 8.8 HIGH | Foxit PDF Reader Update Service Incorrect Permission Assignment Local Privilege Escalation |
| CVE-2025-66495 | 7.8 HIGH | Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability |
| CVE-2025-66493 | 7.8 HIGH | Foxit PDF Reader AcroForm Use-After-Free Remote Code Execution Vulnerability |
| CVE-2025-66494 | 7.8 HIGH | Foxit PDF Reader PDF File Parsing Use-After-Free Remote Code Execution Vulnerability |
| CVE-2025-66499 | 7.8 HIGH | Foxit PDF Reader PDF Parsing Heap-Based Buffer Overflow Remote Code Execution Vulnerabilit |
| CVE-2025-66500 | 6.3 MEDIUM | Foxit webplugins.foxit.com Stored Cross-Site Scripting via postMessage Vulnerability |
| CVE-2025-66501 | 6.3 MEDIUM | Foxit pdfonline.foxit.com Stored Cross-Site Scripting in eSign Predefined Text Feature |
| CVE-2025-66520 | 6.3 MEDIUM | Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Portfolio SVG Handling |
| CVE-2025-66521 | 6.3 MEDIUM | Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Trusted Certificates Feature |
| CVE-2025-66502 | 6.3 MEDIUM | Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Page Templates Feature |
| CVE-2025-66522 | 6.3 MEDIUM | Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Digital IDs Common Name Field |
| CVE-2025-66497 | 5.3 MEDIUM | Foxit PDF Reader 3D Annotation Out-of-Bounds Memory Access Vulnerability |
| CVE-2025-66496 | 5.3 MEDIUM | Foxit PDF Reader 3D Annotation Out-of-Bounds Memory Access Vulnerability |
| CVE-2025-66498 | 5.3 MEDIUM | Foxit PDF Reader 3D Annotation Out-of-Bounds Memory Access Vulnerability |
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V. Comments for CVE-2025-66519
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