CVE-2026-11773— Masteriyo LMS <= 2.2.1 - Missing Authorization to Authenticated (Student+) Arbitrary Course Announcement Modification
Possible ATT&CK Techniques 1AI
T1078.002 · Domain AccountsAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| masteriyo | Masteriyo LMS – LMS Course Builder, Quizzes & Certificates | ≤ 2.2.1 | affected |
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I. Basic Information for CVE-2026-11773
Vulnerability Information
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Vulnerability Title
Masteriyo LMS <= 2.2.1 - Missing Authorization to Authenticated (Student+) Arbitrary Course Announcement Modification
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Masteriyo LMS – LMS Course Builder, Quizzes & Certificates plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.2.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with student-level access and above, to modify the description (post content) of arbitrary course announcements authored by instructors or administrators.
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
Masteriyo LMS 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Masteriyo LMS是一款学习管理系统。 Masteriyo LMS 2.2.1及之前版本存在授权问题漏洞，该漏洞源于未正确验证用户是否授权执行操作，可能导致经过身份验证的攻击者（具有学生级别及以上权限）修改任意课程公告的描述。
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 |
|---|---|---|---|---|
| masteriyo | Masteriyo LMS – LMS Course Builder, Quizzes & Certificates | 0 ~ 2.2.1 | - |
II. Public POCs for CVE-2026-11773
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Patches & Fixes for CVE-2026-11773 (3)
Other References for CVE-2026-11773 (1)
IV. Related Vulnerabilities
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WordPress Masteriyo - LMS Plugin plugin <= 1.18.3 - Cross Si - CVE-2024-33939
WordPress LMS by Masteriyo plugin <= 1.7.3 - Broken Authenti
Same weakness: CWE-862
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V. Comments for CVE-2026-11773
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