CVE-2026-105397— LearnPress WordPress Plugin through 4.4.9.1 Stored XSS via Quiz Question Hint and Explanation
Quick assessment
Affected
ThimPress LearnPress
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 LearnPress 插件（版本 ≤ 4.4.9.1）存在一个存储型跨站脚本（Stored XSS）漏洞，允许已认证的教师通过测验题目的“提示”和“说明”字段注入恶意脚本。拥有“教师（Instructor）”角色的攻击者可通过 update_question AJAX 处理器提交未经过滤的恶意负载，这些脚本将在每个参与该测验的学生会话中执行。
Possible ATT&CK Techniques 2 AI
T1189 · Drive-by Compromise T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-105397
Vulnerability Information
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Vulnerability Title
LearnPress WordPress Plugin through 4.4.9.1 Stored XSS via Quiz Question Hint and Explanation
Source: CVE Program / CVE List V5
Vulnerability Description
LearnPress plugin for WordPress through 4.4.9.1 contains a stored cross-site scripting vulnerability that allows authenticated instructors to inject scripts via quiz question hint and explanation fields. Attackers with the Instructor role can submit unsanitized payloads through the update_question AJAX handler that execute in the session of every student taking the quiz.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/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 | 0 ~ 4.4.9.1 | - |
|
II. Public POCs for CVE-2026-105397
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-105397 (5)
-
https://plugins.svn.wordpress.org/learnpress/tags/4.4.9.1/inc/Ajax/EditQuestionAjax.php technical-description
IV. Related Vulnerabilities
Same product: LearnPress
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CVE-2026-39717
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CVE-2026-104403
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-
CVE-2026-92538
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WordPress LearnPress plugin <= 4.4.9.1 - Broken Access Contr -
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LearnPress <= 4.3.9.1 - Authenticated (Contributor+) Stored
Same weakness: CWE-79
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V. Comments for CVE-2026-105397
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