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CVE-2026-13765— LearnPress <= 4.4.1 - Missing Authorization to Unauthenticated Sensitive Information Exposure via /lp/v1/users/check-answer and /start-quiz REST Endpoints

Quick assessment

Affected
thimpress LearnPress – WordPress LMS Plugin for Create and Sell Online Courses
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.

thimpress LearnPress – WordPress LMS Plugin for Create and Sell Online Courses是thimpress公司的WordPress LMS插件。 WordPress LearnPress 4.4.1及之前版本存在授权问题漏洞，该漏洞源于check_answer接口导致的敏感信息泄露问题，可能导致未经身份验证的攻击者提取任何测验问题的正确答案标记、完整选项列表、解释和问题内容，包括付费课程的问题。

CVSS 7.5 · High EPSS 0.68% · P50

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
thimpress LearnPress – WordPress LMS Plugin for Create and Sell Online Courses ≤ 4.4.1 affected
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I. Basic Information for CVE-2026-13765

Vulnerability Information
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Vulnerability Title
LearnPress <= 4.4.1 - Missing Authorization to Unauthenticated Sensitive Information Exposure via /lp/v1/users/check-answer and /start-quiz REST Endpoints
Source: CVE Program / CVE List V5
Vulnerability Description
The LearnPress – WordPress LMS Plugin for Create and Sell Online Courses plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 4.4.1 via the check_answer. This makes it possible for unauthenticated attackers to extract the correct-answer markers, full option lists, explanations, and question content for any quiz question on the site — including questions belonging to paid courses the attacker is not enrolled in.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress LearnPress 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
thimpress LearnPress – WordPress LMS Plugin for Create and Sell Online Courses是thimpress公司的WordPress LMS插件。 WordPress LearnPress 4.4.1及之前版本存在授权问题漏洞，该漏洞源于check_answer接口导致的敏感信息泄露问题，可能导致未经身份验证的攻击者提取任何测验问题的正确答案标记、完整选项列表、解释和问题内容，包括付费课程的问题。
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
thimpress LearnPress – WordPress LMS Plugin for Create and Sell Online Courses 0 ~ 4.4.1 -

II. Public POCs for CVE-2026-13765

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III. Intelligence Information for CVE-2026-13765

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Patches & Fixes for CVE-2026-13765 (5)

Vendor Advisories for CVE-2026-13765 (1)

Other References for CVE-2026-13765 (4)

IV. Related Vulnerabilities

Same product: LearnPress – WordPress LMS Plugin for Create and Sell Online Courses
Same vendor: thimpress
Same weakness: CWE-862

V. Comments for CVE-2026-13765

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