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CVE-2026-8279— Masteriyo LMS <= 2.2.0 - Missing Authorization to Unauthenticated Arbitrary Course Progress Deletion

Quick assessment

Affected
masteriyo Masteriyo LMS – LMS Course Builder, Quizzes & Certificates
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 Masteriyo LMS是WordPress基金会的一款在线学习管理系统插件。 WordPress Masteriyo LMS 2.2.0及之前版本存在授权问题漏洞，该漏洞源于CourseProgressItemsController中的delete_item_permissions_check函数缺少权限检查，可能导致未经身份验证的攻击者删除任意学生的课程进度记录。

CVSS 5.3 · Medium EPSS 0.24% · P14

Affected Version Matrix 1

VendorProduct Version RangeStatus
masteriyo Masteriyo LMS – LMS Course Builder, Quizzes & Certificates ≤ 2.2.0 affected
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I. Basic Information for CVE-2026-8279

Vulnerability Information
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Vulnerability Title
Masteriyo LMS <= 2.2.0 - Missing Authorization to Unauthenticated Arbitrary Course Progress Deletion
Source: CVE Program / CVE List V5
Vulnerability Description
The Masteriyo LMS plugin for WordPress is vulnerable to unauthorized data deletion due to a missing capability check on the 'delete_item_permissions_check' function in the CourseProgressItemsController in all versions up to, and including, 2.2.0. This makes it possible for unauthenticated attackers to delete arbitrary course progress records belonging to any student.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Masteriyo LMS 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Masteriyo LMS是WordPress基金会的一款在线学习管理系统插件。 WordPress Masteriyo LMS 2.2.0及之前版本存在授权问题漏洞，该漏洞源于CourseProgressItemsController中的delete_item_permissions_check函数缺少权限检查，可能导致未经身份验证的攻击者删除任意学生的课程进度记录。
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 ~ 2.2.0 -

II. Public POCs for CVE-2026-8279

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III. Intelligence Information for CVE-2026-8279

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Patches & Fixes for CVE-2026-8279 (1)

Vendor Pages for CVE-2026-8279 (1)

IV. Related Vulnerabilities

Same product: Masteriyo LMS – LMS Course Builder, Quizzes & Certificates
Same vendor: masteriyo
Same weakness: CWE-862

V. Comments for CVE-2026-8279

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