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CVE-2026-109208— LearnPress <= 4.4.10 - Unauthenticated Stored Cross-Site Scripting via 'quantity' and 'order_comments' Parameters

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.

LearnPress 是一款用于创建和销售在线课程的 WordPress LMS 插件。在所有 4.4.10 及之前的版本中，该插件由于输入清理和输出转义不足，在"quantity (REST) / order_comments (checkout)"参数上存在存储型跨站脚本（Stored XSS）漏洞。这使得未经身份验证的攻击者能够在页面中注入任意网页脚本，当用户访问被注入的页面时，这些脚本将被执行。如果启用了访客结账功能，攻击可完全无需身份验证；若禁用访客结账，任何订阅者（Subscriber）级别的用户均可通

CVSS 7.2 · High

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-109208

Vulnerability Information
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Vulnerability Title
LearnPress <= 4.4.10 - Unauthenticated Stored Cross-Site Scripting via 'quantity' and 'order_comments' Parameters
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 Stored Cross-Site Scripting via the 'quantity (REST) / order_comments (checkout)' parameter in all versions up to, and including, 4.4.10 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. With guest checkout enabled the attack is fully unauthenticated; with guest checkout disabled, any Subscriber-level user can exploit both vectors through their own checkout.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
thimpress LearnPress – WordPress LMS Plugin for Create and Sell Online Courses 0 ~ 4.4.10 -

II. Public POCs for CVE-2026-109208

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III. Intelligence Information for CVE-2026-109208

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Patches & Fixes for CVE-2026-109208 (1)

Vendor Pages for CVE-2026-109208 (3)

Other References for CVE-2026-109208 (3)

Same Patch Batch · thimpress · 2026-10-17 · 3 CVEs total

CVE-2026-104736 9.8 CRITICAL LearnPress <= 4.4.10 - Unauthenticated PHP Object Injection via 'checkout-email' Parameter
CVE-2026-107744 6.5 MEDIUM LearnPress <= 4.4.10 - Missing Authorization to Authenticated (Subscriber+) Email Address

IV. Related Vulnerabilities

Same product: LearnPress – WordPress LMS Plugin for Create and Sell Online Courses
Same vendor: thimpress
Same weakness: CWE-79

V. Comments for CVE-2026-109208

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