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CVE-2026-8653— MasterStudy LMS Pro Plus <= 4.8.20 - Authenticated (Instructor+) SQL Injection via 'columns' Parameter

Quick assessment

Affected
StylemixThemes MasterStudy 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 MasterStudy LMS Pro Plus 4.8.20及之前版本存在SQL注入漏洞，该漏洞源于columns参数清理和准备不足，可能导致具有讲师级别及以上权限的认证攻击者进行SQL注入，从数据库提取敏感信息。

CVSS 6.5 · Medium EPSS 0.38% · P30

Affected Version Matrix 1

VendorProduct Version RangeStatus
StylemixThemes MasterStudy LMS Pro ≤ 4.8.20 affected
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I. Basic Information for CVE-2026-8653

Vulnerability Information
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Vulnerability Title
MasterStudy LMS Pro Plus <= 4.8.20 - Authenticated (Instructor+) SQL Injection via 'columns' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The MasterStudy LMS Pro Plus plugin for WordPress is vulnerable to generic SQL Injection via the 'columns' parameter in all versions up to, and including, 4.8.20 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with instructor-level access or above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin MasterStudy LMS Pro Plus SQL注入漏洞
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 MasterStudy LMS Pro Plus 4.8.20及之前版本存在SQL注入漏洞，该漏洞源于columns参数清理和准备不足，可能导致具有讲师级别及以上权限的认证攻击者进行SQL注入，从数据库提取敏感信息。
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
StylemixThemes MasterStudy LMS Pro 0 ~ 4.8.20 -

II. Public POCs for CVE-2026-8653

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III. Intelligence Information for CVE-2026-8653

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Security Blog Posts for CVE-2026-8653 (1)

IV. Related Vulnerabilities

Same product: MasterStudy LMS Pro
Same vendor: StylemixThemes
Same weakness: CWE-89

V. Comments for CVE-2026-8653

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