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CVE-2025-34032— Moodle LMS Jmol Plugin Cross-site Scripting (XSS)

Quick assessment

Affected
Moodle Jmol Plugin
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Moodle LMS Jmol plugin是Moodle开源的一款插件。 Moodle LMS Jmol plugin 6.1及之前版本存在安全漏洞，该漏洞源于jsmol.php中data参数未清理导致反射型跨站脚本攻击。

AI Predicted 6.1 Difficulty: Easy EPSS 0.78% · P55

Public Exploits 1

Nuclei · 1 CVE-2025-34032.yaml [template]

Affected Version Matrix 1

VendorProduct Version RangeStatus
Moodle Jmol Plugin ≤ 6.1 affected
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I. Basic Information for CVE-2025-34032

Vulnerability Information
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Vulnerability Title
Moodle LMS Jmol Plugin Cross-site Scripting (XSS)
Source: CVE Program / CVE List V5
Vulnerability Description
A reflected cross-site scripting (XSS) vulnerability exists in the Moodle LMS Jmol plugin version 6.1 and prior via the data parameter in jsmol.php. The application fails to properly sanitize user input before embedding it into the HTTP response, allowing an attacker to execute arbitrary JavaScript in the victim's browser by crafting a malicious link. This can be used to hijack user sessions or manipulate page content. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-02 UTC.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA: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 LMS Jmol plugin 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Moodle LMS Jmol plugin是Moodle开源的一款插件。 Moodle LMS Jmol plugin 6.1及之前版本存在安全漏洞，该漏洞源于jsmol.php中data参数未清理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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Moodle Jmol Plugin 0 ~ 6.1 -

II. Public POCs for CVE-2025-34032

# POC Description Source Link Shenlong Link
1 A reflected cross-site scripting (XSS) vulnerability exists in the Moodle LMS Jmol plugin version 6.1 and prior via the data parameter in jsmol.php. The application fails to properly sanitize user input before embedding it into the HTTP response, allowing an attacker to execute arbitrary JavaScript in the victim's browser by crafting a malicious link. This can be used to hijack user sessions or manipulate page content. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-34032.yaml POC Details
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III. Intelligence Information for CVE-2025-34032

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Exploits & Public PoCs for CVE-2025-34032 (1)

Security Blog Posts for CVE-2025-34032 (1)

Same Patch Batch · Moodle · 2025-06-24 · 3 CVEs total

CVE-2025-53021 4.2 MEDIUM Moodle 授权问题漏洞
CVE-2025-34031 Moodle LMS Jmol Plugin Path Traversal

IV. Related Vulnerabilities

Same product: Jmol Plugin
Same vendor: Moodle
Same weakness: CWE-79

V. Comments for CVE-2025-34032

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