CVE-2026-88844— MasterStudy LMS 3.6.2 - < 3.7.50 - Instructor+ Student PII Disclosure via IDOR
Quick assessment
Affected
Unknown MasterStudy LMS WordPress Plugin
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.
MasterStudy LMS WordPress 插件在 3.7.50 版本之前存在一个安全漏洞：该插件在返回课程的已注册学生数据之前，未验证请求用户是否为该课程的拥有者。这允许拥有 Instructor（讲师）角色的用户披露其他讲师课程中所注册学生的姓名和电子邮件地址。
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-88844
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
MasterStudy LMS 3.6.2 - < 3.7.50 - Instructor+ Student PII Disclosure via IDOR
Source: CVE Program / CVE List V5
Vulnerability Description
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not verify that the requesting user owns the course before returning its enrolled-student data, allowing users with the MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50's Instructor role to disclose the names and email addresses of students enrolled in other instructors' courses.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Unknown | MasterStudy LMS WordPress Plugin | 3.6.2 ~ 3.7.50 | - |
|
II. Public POCs for CVE-2026-88844
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-88844
请登录查看更多情报信息。
Other References for CVE-2026-88844 (1)
-
MasterStudy LMS 3.6.2 – < 3.7.50 – Instructor+ Student PII Disclosure via IDOR | CVE 2026-88844 | Plugin Vulnerabilities exploit vdb-entry technical-description
Same Patch Batch · Unknown · 2026-09-18 · 32 CVEs total
| CVE-2026-88994 | 6.6 MEDIUM | All Bootstrap Blocks 1.3.20 - 1.3.31 - Contributor+ LFI via lightspeed Block Attributes |
| CVE-2026-79713 | 6.5 MEDIUM | Breeze Cache 1.2.5 - 2.5.14 - Unauthenticated Cache Poisoning via Unkeyed Tracking Paramet |
| CVE-2026-90977 | 5.3 MEDIUM | Clean Login < 1.19 - Unauthenticated CAPTCHA Bypass via Empty Session Comparison |
| CVE-2026-86796 | 5.3 MEDIUM | WP Ghost (Hide My WP Ghost) 7.0.10 - Unauthenticated Firewall, Threat Detection and URL Hi |
| CVE-2026-86800 | 5.3 MEDIUM | WP Ghost (Hide My WP Ghost) < 7.0.11 - Unauthenticated URL Hiding Bypass via Loopback Comp |
| CVE-2026-90976 | 5.3 MEDIUM | Clean Login < 1.19 - Unauthenticated Account Creation with Registration Disabled |
| CVE-2026-85350 | UpsellWP < 2.2.10 - Unauthenticated Price Manipulation via Frequently Bought Together | |
| CVE-2026-84902 | King Addons for Elementor < 51.1.81 - Contributor+ Stored XSS via Template Catalog Import | |
| CVE-2026-85127 | VikBooking 1.8.8 - 1.8.14 - Unauthenticated Stored XSS via SVG Chat Attachment | |
| CVE-2026-87767 | WP Shortcut Link <= 1.2.0 - Unauthenticated SQL Injection via url | |
| CVE-2026-85123 | Easy Form Builder 4.0.0 - 4.1.3 - Unauthenticated Registration Policy Bypass via Login For | |
| CVE-2026-85009 | RestroPress <= 3.4.6 - Unauthenticated Order Enumeration and Order Note Modification via P | |
| CVE-2026-85122 | Easy Form Builder 4.0.0 - 4.1.3 - Unauthenticated Stored XSS via Form Type Confusion | |
| CVE-2026-84903 | King Addons for Elementor < 51.1.81 - Contributor+ Private Post Content Disclosure via kng | |
| CVE-2026-84904 | King Addons for Elementor 51.1.56 - 51.1.80 - Author+ Missing Authorization via Image Opti | |
| CVE-2026-81810 | All-in-One WP Migration and Backup < 7.111 - Authenticated Privilege Escalation to Admin v | |
| CVE-2026-81340 | MasterStudy LMS < 3.7.50 - Instructor+ Order Status Manipulation via IDOR | |
| CVE-2026-84738 | AF Companion < 2.2.0 - Shop Manager+ Arbitrary File Upload to RCE | |
| CVE-2026-87770 | Price Drop Alert for WooCommerce <= 1.1 - Unauthenticated SQL Injection via product | |
| CVE-2026-87775 | Tz Weekly Radio Schedule <= 1.8.1 - Unauthenticated SQLi via tzwrs_update_cell |
Showing top 20 of 32 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: MasterStudy LMS WordPress Plugin
-
CVE-2026-81340
MasterStudy LMS < 3.7.50 - Instructor+ Order Status Manipula -
CVE-2026-81195
MasterStudy LMS < 3.7.46 - Unauthenticated Student Enrollmen -
CVE-2026-81196
MasterStudy LMS < 3.7.46 - Instructor+ Quiz Answer Disclosur -
CVE-2026-81198
MasterStudy LMS < 3.7.46 - Instructor+ Cross-Course Curricul -
CVE-2026-81199
MasterStudy LMS < 3.7.46 - Unauthenticated Student Statistic
Same vendor: Unknown
-
CVE-2026-90976
Clean Login < 1.19 - Unauthenticated Account Creation with R -
CVE-2026-90977
Clean Login < 1.19 - Unauthenticated CAPTCHA Bypass via Empt -
CVE-2026-88994
All Bootstrap Blocks 1.3.20 - 1.3.31 - Contributor+ LFI via -
CVE-2026-86796
WP Ghost (Hide My WP Ghost) 7.0.10 - Unauthenticated Firewal -
CVE-2026-86800
WP Ghost (Hide My WP Ghost) < 7.0.11 - Unauthenticated URL H
V. Comments for CVE-2026-88844
No comments yet