CVE-2025-3643— Moodle: reflected xss risk in policy tool
Quick assessment
Affected
CVE-2025-3643
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.
Moodle是Moodle开源的一套免费的电子学习软件平台，也称课程管理系统、学习管理系统或虚拟学习环境。 Moodle存在安全漏洞，该漏洞源于策略工具中的返回URL清理不足，可能导致反射型跨站脚本攻击。
Possible ATT&CK Techniques 1 AI
T1189 · Drive-by CompromiseI. Basic Information for CVE-2025-3643
Vulnerability Information
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Vulnerability Title
Moodle: reflected xss risk in policy tool
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Moodle. The return URL in the policy tool required additional sanitizing to prevent a reflected Cross-site scripting (XSS) risk.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/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
Moodle 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Moodle是Moodle开源的一套免费的电子学习软件平台，也称课程管理系统、学习管理系统或虚拟学习环境。 Moodle存在安全漏洞，该漏洞源于策略工具中的返回URL清理不足，可能导致反射型跨站脚本攻击。
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)
II. Public POCs for CVE-2025-3643
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2025-3643 (3)
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2359742 – (CVE-2025-3643) CVE-2025-3643 moodle: Reflected XSS risk in policy tool issue-tracking x_refsource_REDHAT
IV. Related Vulnerabilities
Same weakness: CWE-79
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CVE-2026-82483
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CVE-2026-82482
coppermine-gallery Coppermine Photo Gallery edit_profile End -
CVE-2026-82451
Formwork through 2.3.14 Stored XSS via Referer Header -
CVE-2026-55779
Silverstripe Versioned: XSS in archive admin restore -
CVE-2026-55696
PrivateBin: Stored Cross-Side-Scripting (XSS) vulnerability
V. Comments for CVE-2025-3643
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