CVE-2021-47819— ProjeQtOr Project Management 9.1.4 - Remote Code Execution
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I. Basic Information for CVE-2021-47819
Vulnerability Information
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Vulnerability Title
ProjeQtOr Project Management 9.1.4 - Remote Code Execution
Source: NVD (National Vulnerability Database)
Vulnerability Description
ProjeQtOr Project Management 9.1.4 contains a file upload vulnerability that allows guest users to upload malicious PHP files with arbitrary code execution capabilities. Attackers can upload a PHP script through the profile attachment section and execute system commands by accessing the uploaded file with a specially crafted request parameter.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
危险类型文件的不加限制上传
Source: NVD (National Vulnerability Database)
Vulnerability Title
ProjeQtOr 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ProjeQtOr是法国ProjeQtOr公司的一款项目管理软件。 ProjeQtOr 9.1.4版本存在代码问题漏洞，该漏洞源于文件上传功能验证不足，可能导致执行任意代码。
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)
Shenlong Deep Dive — AI Deep Analysis
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Projeqtor | ProjeQtOr Project Management | 9.1.4 | - |
II. Public POCs for CVE-2021-47819
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same vendor: Projeqtor
- CVE-2026-41467
ProjeQtor < 12.4.4 Stored XSS via checkValidFileName() - CVE-2026-41466
ProjeQtor < 12.4.4 Stored XSS via checkValidHtmlText() - CVE-2026-41465
ProjeQtor < 12.4.4 Path Traversal via dynamicDialog.php - CVE-2026-41464
ProjeQtor < 12.4.4 Missing Authorization via objectDetail.ph - CVE-2026-41463
ProjeQtor < 12.4.4 ZipSlip Path Traversal via uploadPlugin.p
Same weakness: CWE-434
- CVE-2021-47943
TextPattern CMS 4.8.7 Remote Code Execution via File Upload - CVE-2021-47937
e107 CMS 2.3.0 Authenticated Remote Code Execution via Theme - CVE-2026-41517
Emlog: Remote Code Execution via Malicious Plugin Upload - CVE-2026-6692
Slider Revolution 7.0.0 - 7.0.10 - Authenticated (Subscriber - CVE-2026-41587
CI4MS: Unrestricted PHP File Upload via Theme Installation L
V. Comments for CVE-2021-47819
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