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CVE-2025-6639— Tutor LMS Pro – eLearning and online course solution <= 3.8.3 - Authenticated (Subscriber+) Insecure Direct Object Reference to View/Edit Other Assignments

Quick assessment

Affected
themeum Tutor LMS Pro
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.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Tutor LMS Pro 3.8.3及之前版本存在安全漏洞，该漏洞源于tutor_assignment_submit函数缺少对用户控制密钥的验证，可能导致不安全的直接对象引用攻击。

CVSS 5.4 · Medium EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1135 · Network Share Discovery
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I. Basic Information for CVE-2025-6639

Vulnerability Information
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Vulnerability Title
Tutor LMS Pro – eLearning and online course solution <= 3.8.3 - Authenticated (Subscriber+) Insecure Direct Object Reference to View/Edit Other Assignments
Source: CVE Program / CVE List V5
Vulnerability Description
The Tutor LMS Pro – eLearning and online course solution plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.8.3 due to missing validation on a user controlled key when viewing and editing assignments through the tutor_assignment_submit() function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to view and edit assignment submissions of other students.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Tutor LMS Pro 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Tutor LMS Pro 3.8.3及之前版本存在安全漏洞，该漏洞源于tutor_assignment_submit函数缺少对用户控制密钥的验证，可能导致不安全的直接对象引用攻击。
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
themeum Tutor LMS Pro * ~ 3.8.3 -

II. Public POCs for CVE-2025-6639

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III. Intelligence Information for CVE-2025-6639

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Same Patch Batch · themeum · 2025-10-25 · 3 CVEs total

CVE-2025-11564 5.3 MEDIUM Tutor LMS – eLearning and online course solution <= 3.8.3 - Missing Authorization to Unaut
CVE-2025-6680 4.3 MEDIUM Tutor LMS <= 3.8.3 - Missing Authorization to Sensitive Information Exposure

IV. Related Vulnerabilities

Same product: Tutor LMS Pro
Same vendor: themeum
Same weakness: CWE-285

V. Comments for CVE-2025-6639

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