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CVE-2026-33714— Chamilo LMS has Authenticated SQL Injection in statistics.ajax.php users_active action (2.0 RC2)

Quick assessment

Affected
chamilo chamilo-lms
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.

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。

AI Predicted 8.1 Difficulty: Moderate EPSS 0.46% · P38

Possible ATT&CK Techniques 1 AI

T1110 · Brute Force
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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: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
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

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III. Intelligence Information for CVE-2026-33714

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Vendor Advisories for CVE-2026-33714 (1)

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

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