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CVE-2026-85571— Tutor LMS 4.0.5 - 4.1.0 - Instructor+ Arbitrary Post Reparenting 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.

WordPress 插件 Tutor LMS 在 4.1.1 版本之前存在一个漏洞，该漏洞未验证课程内容排序请求中所提到的文章是否属于请求者管理的课程。这使得拥有“讲师”级别权限的用户可以重新分配网站上任意文章的父级文章，从而将其他讲师的课程内容转移至自己的课程中，并导致任意已发布的文章变得无法访问。

AI Predicted 8.1 Difficulty: Easy

Possible ATT&CK Techniques 1 AI

T1098.004 · SSH Authorized Keys
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I. Basic Information for CVE-2026-85571

Vulnerability Information
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Vulnerability Title
Tutor LMS 4.0.5 - 4.1.0 - Instructor+ Arbitrary Post Reparenting via IDOR
Source: CVE Program / CVE List V5
Vulnerability Description
The Tutor LMS WordPress plugin before 4.1.1 does not verify that the posts named in its course content ordering requests belong to a course the requester manages, allowing users with instructor level access to reassign the parent of any post on the site, taking other instructors' course content into their own courses and making arbitrary published content unreachable.
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 Tutor LMS 4.0.5 ~ 4.1.1 -

II. Public POCs for CVE-2026-85571

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-85571

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Other References for CVE-2026-85571 (1)

Same Patch Batch · Unknown · 2026-10-10 · 16 CVEs total

CVE-2026-94256 SMS Alert 4.0.0 - Unauthenticated Authentication Bypass via Login with OTP
CVE-2026-94257 SMS Alert 3.9.6 - 4.0.0 - Unauthenticated Privilege Escalation via Arbitrary Password Rese
CVE-2026-87780 LTL Freight Quotes – Old Dominion Edition < 4.2.19 - Unauthenticated Stored XSS via Shippi
CVE-2026-87781 LTL Freight Quotes – Old Dominion Edition 4.2.11 - 4.2.18 - Unauthenticated SQLi via Shipp
CVE-2026-105995 Booking Package < 1.7.30 - Unauthenticated Booking Customer PII Disclosure
CVE-2026-105990 Accept PayPal Payments Using Contact Form 7 < 4.0.7 - Unauthenticated PII Disclosure via C
CVE-2026-107321 W3 Total Cache < 2.10.6 - Author+ Path Traversal via CDN Media Library Import
CVE-2026-107120 Contest Gallery < 33.0.1 - Unauthenticated Email Verification Bypass via Brute-Forceable R
CVE-2026-107323 Gallery PhotoBlocks 1.3.5 - Contributor+ Stored XSS
CVE-2026-105976 Portfolio Filter Gallery < 2.2.1 - Contributor+ Missing Authorization via Multiple AJAX Ac
CVE-2026-105989 Accept PayPal Payments using Contact Form 7 < 4.0.7 - Unauthenticated Transaction Status F
CVE-2026-105977 Portfolio Filter Gallery 2.0.2 - 2.2.0 - Contributor+ Cross-User Video Thumbnail Deletion
CVE-2026-104754 Rank Math SEO < 1.0.280 - Admin+ Stored XSS via Redirection Source URL
CVE-2026-104752 Rank Math SEO < 1.0.280 - Admin+ Arbitrary File Upload to RCE via Settings Import
CVE-2026-104753 Rank Math SEO < 1.0.280 - Admin+ SQLi via 'per_page' Parameter

IV. Related Vulnerabilities

Same product: Tutor LMS
Same vendor: Unknown

V. Comments for CVE-2026-85571

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