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CVE-2026-12843— LearnDash LMS 4.25.0 - 5.1.6 - Unauthenticated Arbitrary Course Enrollment via REST Endpoint

Quick assessment

Affected
StellarWP LearnDash 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.

stellarwp LearnDash LMS是stellarwp公司的一款内容管理系统中的学习管理插件。 stellarwp LearnDash LMS 4.25.0版本至5.1.6版本存在授权问题漏洞，该漏洞源于插件未能正确验证用户是否具有执行操作的权限，可能导致未经身份验证的攻击者在未支付验证的情况下将任意用户注册到付费课程，绕过整个支付系统，未经授权访问优质教育内容。

CVSS 5.4 · Medium EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
StellarWP LearnDash LMS 4.25.0≤ 5.1.6 affected
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I. Basic Information for CVE-2026-12843

Vulnerability Information
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Vulnerability Title
LearnDash LMS 4.25.0 - 5.1.6 - Unauthenticated Arbitrary Course Enrollment via REST Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
The LearnDash LMS plugin for WordPress is vulnerable to authorization bypass in versions 4.25.0 - 5.1.6. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to enroll arbitrary users in paid courses without payment verification, bypassing the entire payment system and gaining unauthorized access to premium educational content.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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
stellarwp LearnDash LMS 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
stellarwp LearnDash LMS是stellarwp公司的一款内容管理系统中的学习管理插件。 stellarwp LearnDash LMS 4.25.0版本至5.1.6版本存在授权问题漏洞，该漏洞源于插件未能正确验证用户是否具有执行操作的权限，可能导致未经身份验证的攻击者在未支付验证的情况下将任意用户注册到付费课程，绕过整个支付系统，未经授权访问优质教育内容。
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
StellarWP LearnDash LMS 4.25.0 ~ 5.1.6 -

II. Public POCs for CVE-2026-12843

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III. Intelligence Information for CVE-2026-12843

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Vendor Advisories for CVE-2026-12843 (1)

Vendor Pages for CVE-2026-12843 (1)

IV. Related Vulnerabilities

Same product: LearnDash LMS
Same vendor: StellarWP
Same weakness: CWE-862

V. Comments for CVE-2026-12843

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