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CVE-2025-66520— Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Portfolio SVG Handling

CVSS 6.3 · Medium EPSS 0.06% · P18
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I. Basic Information for CVE-2025-66520

Vulnerability Information
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Vulnerability Title
Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Portfolio SVG Handling
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
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Portfolio功能中用户提供的SVG文件未正确清理或验证，可能导致存储型跨站脚本攻击。
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

VendorProductAffected VersionsCPESubscribe
Foxit Software Inc.pdfonline.foxit.com before 2025‑12‑01 -

II. Public POCs for CVE-2025-66520

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III. Intelligence Information for CVE-2025-66520

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Same Patch Batch · Foxit Software Inc. · 2025-12-19 · 15 CVEs total

CVE-2025-139418.8 HIGHFoxit PDF Reader Update Service Incorrect Permission Assignment Local Privilege Escalation
CVE-2025-664957.8 HIGHFoxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability
CVE-2025-664937.8 HIGHFoxit PDF Reader AcroForm Use-After-Free Remote Code Execution Vulnerability
CVE-2025-664947.8 HIGHFoxit PDF Reader PDF File Parsing Use-After-Free Remote Code Execution Vulnerability
CVE-2025-664997.8 HIGHFoxit PDF Reader PDF Parsing Heap-Based Buffer Overflow Remote Code Execution Vulnerabilit
CVE-2025-665006.3 MEDIUMFoxit webplugins.foxit.com Stored Cross-Site Scripting via postMessage Vulnerability
CVE-2025-665016.3 MEDIUMFoxit pdfonline.foxit.com Stored Cross-Site Scripting in eSign Predefined Text Feature
CVE-2025-665216.3 MEDIUMFoxit pdfonline.foxit.com Stored Cross-Site Scripting in Trusted Certificates Feature
CVE-2025-665026.3 MEDIUMFoxit pdfonline.foxit.com Stored Cross-Site Scripting in Page Templates Feature
CVE-2025-665196.3 MEDIUMFoxit pdfonline.foxit.com Stored Cross-Site Scripting in Layer Import Functionality
CVE-2025-665226.3 MEDIUMFoxit pdfonline.foxit.com Stored Cross-Site Scripting in Digital IDs Common Name Field
CVE-2025-664975.3 MEDIUMFoxit PDF Reader 3D Annotation Out-of-Bounds Memory Access Vulnerability
CVE-2025-664965.3 MEDIUMFoxit PDF Reader 3D Annotation Out-of-Bounds Memory Access Vulnerability
CVE-2025-664985.3 MEDIUMFoxit PDF Reader 3D Annotation Out-of-Bounds Memory Access Vulnerability

IV. Related Vulnerabilities

Same product: pdfonline.foxit.com
Same vendor: Foxit Software Inc.
Same weakness: CWE-79

V. Comments for CVE-2025-66520

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