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CVE-2026-39524— WordPress Masteriyo - LMS plugin <= 2.1.5 - Payment Bypass vulnerability

Quick assessment

Affected
ThemeGrill Masteriyo - LMS
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.

Masteriyo LMS是masteriyo个人开发者的一款学习管理系统插件。 Masteriyo LMS 2.1.5及之前版本存在授权问题漏洞，该漏洞源于访问控制不当，可能导致未经身份验证的攻击者绕过支付授权。

CVSS 7.5 · High EPSS 0.35% · P26

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
ThemeGrill Masteriyo - LMS n/a≤ 2.1.5 affected
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I. Basic Information for CVE-2026-39524

Vulnerability Information
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Vulnerability Title
WordPress Masteriyo - LMS plugin <= 2.1.5 - Payment Bypass vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Broken Access Control in Masteriyo - LMS <= 2.1.5 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Masteriyo LMS 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Masteriyo LMS是masteriyo个人开发者的一款学习管理系统插件。 Masteriyo LMS 2.1.5及之前版本存在授权问题漏洞，该漏洞源于访问控制不当，可能导致未经身份验证的攻击者绕过支付授权。
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
ThemeGrill Masteriyo - LMS n/a ~ 2.1.5 -

II. Public POCs for CVE-2026-39524

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III. Intelligence Information for CVE-2026-39524

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Other References for CVE-2026-39524 (1)

Same Patch Batch · ThemeGrill · 2026-06-15 · 4 CVEs total

CVE-2026-49111 8.8 HIGH WordPress Masteriyo - LMS plugin <= 2.2.0 - Privilege Escalation vulnerability
CVE-2026-25425 7.5 HIGH WordPress User Registration plugin <= 5.1.2 - Broken Access Control vulnerability
CVE-2026-42743 6.5 MEDIUM WordPress Masteriyo - LMS plugin <= 2.1.8 - Broken Authentication vulnerability

IV. Related Vulnerabilities

Same product: Masteriyo - LMS
Same vendor: ThemeGrill
Same weakness: CWE-862

V. Comments for CVE-2026-39524

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