CVE-2026-33714— Chamilo LMS has Authenticated SQL Injection in statistics.ajax.php users_active action (2.0 RC2)
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I. Basic Information for CVE-2026-33714
Vulnerability Information
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Vulnerability Title
Chamilo LMS has Authenticated SQL Injection in statistics.ajax.php users_active action (2.0 RC2)
Source: NVD (National Vulnerability Database)
Vulnerability Description
Chamilo is an open-source learning management system (LMS). Version 2.0.0-RC.2 contains a SQL Injection vulnerability in the statistics AJAX endpoint, which is an incomplete fix for CVE-2026-30881. While CVE-2026-30881 was patched by applying Security::remove_XSS() to the date_start and date_end parameters in the get_user_registration_by_month action, the same parameters remain unsanitized in the users_active action within the same file (public/main/inc/ajax/statistics.ajax.php), where they are directly interpolated into a SQL query. An authenticated admin can exploit this to perform time-based blind SQL injection, enabling extraction of arbitrary data from the database. This issue has been fixed in version 2.0.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Chamilo SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Chamilo是Chamilo开源的一个学习管理系统。 Chamilo 2.0.0-RC.2版本存在SQL注入漏洞，该漏洞源于统计AJAX端点存在SQL注入问题，可能导致经过身份验证的管理员执行基于时间的盲SQL注入并提取数据库中的任意数据。
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 |
|---|---|---|---|---|
| chamilo | chamilo-lms | >= 2.0.0-RC.2, < 2.0.0 | - |
II. Public POCs for CVE-2026-33714
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · chamilo · 2026-04-14 · 8 CVEs total
| CVE-2026-35196 | 8.8 HIGH | Chamilo LMS has OS Command Injection via export_all_certificates action |
| CVE-2026-40291 | 8.8 HIGH | Chamilo LMS has Privilege Escalation via API User Role Modification |
| CVE-2026-34160 | 8.6 HIGH | Chamilo LMS: Unauthenticated SSRF via PENS Plugin allows attacker to probe internal networ |
| CVE-2026-33715 | 7.2 HIGH | Chamilo LMS has Unauthenticated SSRF and Open Email Relay via install.ajax.php test_mailer |
| CVE-2026-34602 | 7.1 HIGH | Chamilo LMS: IDOR in /api/course_rel_users Allows Unauthorized Enrollment of Arbitrary Use |
| CVE-2026-34370 | 6.5 MEDIUM | Chamilo LMS: IDOR in the Notebook Module allows an attacker to view other users' private n |
| CVE-2026-34161 | Chamilo LMS: Stored XSS via Malicious File Upload in Social Post Attachments Leads to Arbi |
IV. Related Vulnerabilities
Same product: chamilo-lms
- CVE-2026-40291
Chamilo LMS has Privilege Escalation via API User Role Modif - CVE-2026-35196
Chamilo LMS has OS Command Injection via export_all_certific - CVE-2026-34602
Chamilo LMS: IDOR in /api/course_rel_users Allows Unauthoriz - CVE-2026-34370
Chamilo LMS: IDOR in the Notebook Module allows an attacker - CVE-2026-34161
Chamilo LMS: Stored XSS via Malicious File Upload in Social
Same vendor: chamilo
- CVE-2026-40291
Chamilo LMS has Privilege Escalation via API User Role Modif - CVE-2026-35196
Chamilo LMS has OS Command Injection via export_all_certific - CVE-2026-34602
Chamilo LMS: IDOR in /api/course_rel_users Allows Unauthoriz - CVE-2026-34370
Chamilo LMS: IDOR in the Notebook Module allows an attacker - CVE-2026-34161
Chamilo LMS: Stored XSS via Malicious File Upload in Social
Same weakness: CWE-89
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V. Comments for CVE-2026-33714
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