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CVE-2026-30881— Chamilo LMS: SQL Injection in the statistics AJAX endpoint

CVSS 8.8 · High EPSS 0.04% · P11
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I. Basic Information for CVE-2026-30881

Vulnerability Information
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Vulnerability Title
Chamilo LMS: SQL Injection in the statistics AJAX endpoint
Source: NVD (National Vulnerability Database)
Vulnerability Description
Chamilo LMS is a learning management system. Version 1.11.34 and prior contains a SQL Injection vulnerability in the statistics AJAX endpoint. The parameters date_start and date_end from $_REQUEST are embedded directly into a raw SQL string without proper sanitization. Although Database::escape_string() is called downstream, its output is immediately neutralized by str_replace("\'", "'", ...), which restores any injected single quotes — effectively bypassing the escaping mechanism entirely. This allows an authenticated attacker to inject arbitrary SQL statements into the database query, enabling blind time-based and conditional data extraction. This issue has been patched in version 1.11.36.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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 LMS SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Chamilo LMS是Chamilo开源的一套开源的在线学习和协作系统。该系统支持创建教学内容、远程培训和在线答题等。 Chamilo LMS 1.11.34及之前版本存在SQL注入漏洞，该漏洞源于statistics AJAX端点中date_start和date_end参数清理和转义不足，可能导致SQL注入攻击。
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

VendorProductAffected VersionsCPESubscribe
chamilochamilo-lms < 1.11.36 -

II. Public POCs for CVE-2026-30881

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III. Intelligence Information for CVE-2026-30881

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Same Patch Batch · chamilo · 2026-03-16 · 5 CVEs total

CVE-2026-308758.8 HIGHChamilo LMS: Authenticated RCE via H5P Import
CVE-2026-308826.1 MEDIUMChamilo LMS: Reflected XSS in the session category listing page
CVE-2026-30876Chamilo LMS: User enumeration vulnerability via response
CVE-2026-28430Chamilo LMS Vulnerable to Unauthenticated SQL Injection in chamiko-lms model.ajax.php

IV. Related Vulnerabilities

Same product: chamilo-lms
Same vendor: chamilo
Same weakness: CWE-89

V. Comments for CVE-2026-30881

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