CVE-2026-13332— Masteriyo LMS < 2.3.1 - Unauthenticated Arbitrary User Session Termination (Denial of Service)
Quick assessment
Affected
Unknown 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是一款学习管理系统。 Masteriyo LMS 2.3.1之前版本存在授权问题漏洞，该漏洞源于未正确验证授权，允许未经身份验证的攻击者终止站点上任何用户（包括管理员）的活跃会话。
Possible ATT&CK Techniques 1 AI
T1078 · Valid AccountsAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Unknown | Masteriyo LMS | < 2.3.1 |
affected |
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I. Basic Information for CVE-2026-13332
Vulnerability Information
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Vulnerability Title
Masteriyo LMS < 2.3.1 - Unauthenticated Arbitrary User Session Termination (Denial of Service)
Source: CVE Program / CVE List V5
Vulnerability Description
The Masteriyo LMS WordPress plugin before 2.3.1 does not correctly verify authorization on an unauthenticated AJAX action used to clear user sessions, allowing unauthenticated attackers to terminate the active sessions (force-logout) of any user on the site, including administrators.
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
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 2.3.1之前版本存在授权问题漏洞，该漏洞源于未正确验证授权，允许未经身份验证的攻击者终止站点上任何用户（包括管理员）的活跃会话。
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 |
|---|---|---|---|---|
| Unknown | Masteriyo LMS | 0 ~ 2.3.1 | - |
|
II. Public POCs for CVE-2026-13332
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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News Coverage for CVE-2026-13332 (1)
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🔗 Masteriyo LMS < 2.3.1 – Unauthenticated Arbitrary User Session Termination (Denial of Service) | CVE 2026-13332 | Plugin Vulnerabilities Read full article exploit vdb-entry technical-description
Same Patch Batch · Unknown · 2026-07-27 · 23 CVEs total
| CVE-2026-13714 | Realtyna Organic IDX plugin + WPL Real Estate < 5.3.0 - Unauthenticated Arbitrary File Upl | |
| CVE-2026-14820 | Quiz And Survey Master < 11.1.3 - Unauthenticated User Enumeration and Password Oracle via | |
| CVE-2026-14827 | Calendar < 1.3.18 - Contributor+ Stored XSS via event_link Parameter | |
| CVE-2026-9830 | BookingPress Pro < 5.7.3 - Unauthenticated Customer PII Disclosure and Booking Tampering v | |
| CVE-2026-14203 | Smart Manager < 8.92.0 - Contributor+ Stored XSS via Post Title | |
| CVE-2026-14568 | WP User Frontend < 4.3.8 - Unauthenticated Author-less Attachment Deletion | |
| CVE-2026-14236 | Contact Form 7 – PayPal & Stripe Add-on < 2.5 - Open Redirect | |
| CVE-2026-14289 | WP FacturaONE < 5.37 - Unauthenticated Remote Code Execution | |
| CVE-2026-14235 | WordPress Download Manager < 3.3.62 - Unauthorized Protected File Download via Reusable Do | |
| CVE-2026-13597 | QRcode Login for WeChat <= 1.3 - Unauthenticated Account Takeover | |
| CVE-2026-13726 | Multiple Page Generator Plugin – MPG < 4.1.8 - Reflected XSS via mpg_shortcode | |
| CVE-2026-10082 | Advanced Ads – Ad Manager & AdSense < 2.0.23 - Contributor+ Stored XSS via the_ad Shortcod | |
| CVE-2026-14190 | Sina Extension for Elementor < 3.10.2 - Reflected XSS | |
| CVE-2026-14189 | WPBot AI ChatBot < 8.5.2 - Admin+ Second-Order SQL Injection via qc_bot_str_fields | |
| CVE-2026-13400 | Simply Schedule Appointments < 1.6.12.4 - Unauthenticated Stored XSS via Booking Customer | |
| CVE-2026-13390 | The Events Calendar < 6.16.5.1 - Unauthenticated Event Aggregator Import Status Manipulati | |
| CVE-2026-13152 | Custom Fields Account Registration For WooCommerce < 1.4 - Unauthenticated Privilege Escal | |
| CVE-2026-12982 | Document Gallery < 5.1.1 - Reflected XSS via dg_generate_gallery | |
| CVE-2026-12255 | MainWP Child < 6.1.2 - Unauthenticated Administrator Authentication Bypass via Passwordles | |
| CVE-2026-12394 | MemberGlut < 1.1.5 - Unauthenticated Privilege Escalation to Administrator |
Showing top 20 of 23 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Masteriyo LMS
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CVE-2026-82850
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CVE-2026-82851
Masteriyo LMS 1.14.0 - 3.4.0 - Instructor+ Arbitrary Post Di -
CVE-2026-82845
Masteriyo LMS < 3.4.1 - Subscriber+ PHP Object Injection
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V. Comments for CVE-2026-13332
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