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CVE-2026-12274— Tutor LMS < 3.9.13 - Instructor+ Arbitrary Post Overwrite via IDOR

Quick assessment

Affected
Unknown Tutor 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.

themeum tutor lms是themeum公司开源的一款在线学习管理系统。 WordPress Tutor LMS 3.9.13之前版本存在授权问题漏洞，该漏洞源于在内容构建器保存处理程序中未验证请求用户是否有权编辑目标文章，仅针对不相关的标识符进行授权，可能导致认证用户（具有讲师级别访问权限）覆盖并接管网站上的任何文章或页面，包括管理员拥有的内容。

AI Predicted 8.8 Difficulty: Easy EPSS 0.30% · P20

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Tutor LMS < 3.9.13 affected
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I. Basic Information for CVE-2026-12274

Vulnerability Information
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Vulnerability Title
Tutor LMS < 3.9.13 - Instructor+ Arbitrary Post Overwrite via IDOR
Source: CVE Program / CVE List V5
Vulnerability Description
The Tutor LMS WordPress plugin before 3.9.13 does not verify that the requesting user is allowed to edit a target post before overwriting it in one of its content-builder save handlers, authorizing the request only against an unrelated identifier, allowing authenticated users with instructor-level access to overwrite and take over any post or page on the site, including those owned by 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
WordPress Tutor LMS 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
themeum tutor lms是themeum公司开源的一款在线学习管理系统。 WordPress Tutor LMS 3.9.13之前版本存在授权问题漏洞，该漏洞源于在内容构建器保存处理程序中未验证请求用户是否有权编辑目标文章，仅针对不相关的标识符进行授权，可能导致认证用户（具有讲师级别访问权限）覆盖并接管网站上的任何文章或页面，包括管理员拥有的内容。
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
Unknown Tutor LMS 0 ~ 3.9.13 -

II. Public POCs for CVE-2026-12274

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III. Intelligence Information for CVE-2026-12274

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Vendor Advisories for CVE-2026-12274 (1)

Same Patch Batch · Unknown · 2026-07-13 · 11 CVEs total

CVE-2026-12275 Tutor LMS < 3.9.13 - Subscriber+ Unauthorized Course Enrollment and Private Course Content
CVE-2026-12397 WP Job Portal < 2.5.5 - Subscriber+ Employer Email Disclosure via IDOR
CVE-2026-12582 Library Management System < 3.5.8 - Unauthenticated SQL Injection via book_id
CVE-2026-12396 WP Job Portal < 2.5.5 - Subscriber+ Arbitrary Job Approval, Featuring and Rejection
CVE-2026-11964 User Registration & Membership < 5.2.2 - Unauthenticated PayPal Webhook Signature Verifica
CVE-2026-12081 Database for Contact Form 7, WPforms, Elementor forms < 1.5.2 - Unauthenticated PHP Object
CVE-2026-12273 Tutor LMS < 3.9.13 - Subscriber+ Arbitrary Auto-Approved Comment Creation
CVE-2026-12271 Tutor LMS < 3.9.13 - Subscriber+ Arbitrary Quiz Attempt Modification via IDOR
CVE-2026-11963 User Registration & Membership < 5.2.2 - Subscriber+ Cross-User Role and Membership Tier M
CVE-2026-10551 Breeze Cache < 2.5.6 - Unauthenticated Stored XSS via Minify Library

IV. Related Vulnerabilities

Same product: Tutor LMS
Same vendor: Unknown

V. Comments for CVE-2026-12274

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