CVE-2026-34413— Xerte Online Toolkits Missing Authentication via connector.php
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I. Basic Information for CVE-2026-34413
Vulnerability Information
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Vulnerability Title
Xerte Online Toolkits Missing Authentication via connector.php
Source: NVD (National Vulnerability Database)
Vulnerability Description
Xerte Online Toolkits versions 3.15 and earlier contain a missing authentication vulnerability in the elFinder connector endpoint at /editor/elfinder/php/connector.php where an HTTP redirect to unauthenticated callers does not call exit() or die(), allowing PHP execution to continue and process the full request server-side. Unauthenticated attackers can perform file operations on project media directories including creating directories, uploading files, renaming files, duplicating files, overwriting files, and deleting files, which can be chained with path traversal and extension blocklist vulnerabilities to achieve remote code execution and arbitrary file read.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
将系统数据暴露到未授权控制的范围
Source: NVD (National Vulnerability Database)
Vulnerability Title
Xerte Online Toolkits 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Xerte Online Toolkits是英国Xerte公司的一个在线学习内容制作平台。 Xerte Online Toolkits 3.15及之前版本存在安全漏洞，该漏洞源于/editor/elfinder/php/connector.php端点的elFinder连接器缺少身份验证，HTTP重定向未调用exit或die，导致PHP继续执行完整请求，未经身份验证的攻击者可对项目媒体目录执行文件操作，包括创建目录、上传文件、重命名文件、复制文件、覆盖文件和删除文件，结合路径遍历和扩展阻止列表漏洞可能导致远
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 |
|---|---|---|---|---|
| thexerteproject | xerteonlinetoolkits | 3.15.0 | - |
II. Public POCs for CVE-2026-34413
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · thexerteproject · 2026-04-22 · 4 CVEs total
| CVE-2026-34415 | 9.8 CRITICAL | Xerte Online Toolkits File Upload RCE via elfinder Connector |
| CVE-2026-34414 | 7.1 HIGH | Xerte Online Toolkits Path Traversal via connector.php |
| CVE-2026-41459 | 5.3 MEDIUM | Xerte Online Toolkits Path Disclosure via /setup |
IV. Related Vulnerabilities
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V. Comments for CVE-2026-34413
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