CVE-2025-13935— Tutor LMS – eLearning and online course solution <= 3.9.3 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Course Completion
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I. Basic Information for CVE-2025-13935
Vulnerability Information
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Vulnerability Title
Tutor LMS – eLearning and online course solution <= 3.9.3 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Course Completion
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to unauthorized course completion in all versions up to, and including, 3.9.2. This is due to missing enrollment verification in the 'mark_course_complete' function. This makes it possible for authenticated attackers, with subscriber level access and above, to mark any course as completed.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Tutor LMS – eLearning and online course solution 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 – eLearning and online course solution 3.9.2及之前版本存在安全漏洞，该漏洞源于mark_course_complete函数缺少注册验证，可能导致未经授权
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 – eLearning and online course solution | * ~ 3.9.2 | - |
II. Public POCs for CVE-2025-13935
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · themeum · 2026-01-09 · 3 CVEs total
| CVE-2025-13934 | 4.3 MEDIUM | Tutor LMS – eLearning and online course solution <= 3.9.3 - Missing Authorization to Authe |
| CVE-2025-13628 | 4.3 MEDIUM | Tutor LMS – eLearning and online course solution <= 3.9.3 - Missing Authorization to Authe |
IV. Related Vulnerabilities
Same product: Tutor LMS – eLearning and online course solution
- CVE-2026-5502
Tutor LMS <= 3.9.8 - Authenticated (Subscriber+) Arbitrary C - CVE-2026-6080
Tutor LMS <= 3.9.8 - Authenticated (Admin+) SQL Injection vi - CVE-2026-3371
Tutor LMS <= 3.9.7 - Authenticated (Subscriber+) Insecure Di - CVE-2026-3358
Tutor LMS <= 3.9.7 - Missing Authorization to Authenticated - CVE-2026-3360
Tutor LMS <= 3.9.7 - Missing Authorization to Unauthenticate
Same vendor: themeum
- CVE-2026-5502
Tutor LMS <= 3.9.8 - Authenticated (Subscriber+) Arbitrary C - CVE-2026-6080
Tutor LMS <= 3.9.8 - Authenticated (Admin+) SQL Injection vi - CVE-2026-40740
WordPress Tutor LMS plugin <= 3.9.7 - Broken Access Control - CVE-2026-3371
Tutor LMS <= 3.9.7 - Authenticated (Subscriber+) Insecure Di - CVE-2026-3358
Tutor LMS <= 3.9.7 - Missing Authorization to Authenticated
Same weakness: CWE-862
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HCL BigFix WebUI is affected by a missing authorization vuln - CVE-2026-42297
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Kirby: User avatar creation, replacement and deletion are no - CVE-2026-42137
Kirby: `pages.access/list` and `files.access/list` permissio
V. Comments for CVE-2025-13935
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