Vulnerability Details CVE-2026-30881
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 9.2%
CVSS Severity
CVSS v3 Score 8.8
References
Products affected by CVE-2026-30881
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cpe:2.3:a:chamilo:chamilo_lms:1.10.0
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cpe:2.3:a:chamilo:chamilo_lms:1.10.2
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cpe:2.3:a:chamilo:chamilo_lms:1.10.4
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cpe:2.3:a:chamilo:chamilo_lms:1.10.6
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cpe:2.3:a:chamilo:chamilo_lms:1.10.8
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cpe:2.3:a:chamilo:chamilo_lms:1.11.0
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cpe:2.3:a:chamilo:chamilo_lms:1.11.10
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cpe:2.3:a:chamilo:chamilo_lms:1.11.12
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cpe:2.3:a:chamilo:chamilo_lms:1.11.14
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cpe:2.3:a:chamilo:chamilo_lms:1.11.16
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cpe:2.3:a:chamilo:chamilo_lms:1.11.18
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cpe:2.3:a:chamilo:chamilo_lms:1.11.2
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cpe:2.3:a:chamilo:chamilo_lms:1.11.24
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cpe:2.3:a:chamilo:chamilo_lms:1.11.26
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cpe:2.3:a:chamilo:chamilo_lms:1.11.4
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cpe:2.3:a:chamilo:chamilo_lms:1.11.6
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cpe:2.3:a:chamilo:chamilo_lms:1.11.8
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cpe:2.3:a:chamilo:chamilo_lms:1.8.6.1
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cpe:2.3:a:chamilo:chamilo_lms:1.8.6.2
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cpe:2.3:a:chamilo:chamilo_lms:1.8.7
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cpe:2.3:a:chamilo:chamilo_lms:1.8.7.1
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cpe:2.3:a:chamilo:chamilo_lms:1.8.8
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cpe:2.3:a:chamilo:chamilo_lms:1.8.8.2
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cpe:2.3:a:chamilo:chamilo_lms:1.8.8.3
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cpe:2.3:a:chamilo:chamilo_lms:1.8.8.4
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cpe:2.3:a:chamilo:chamilo_lms:1.8.8.6
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cpe:2.3:a:chamilo:chamilo_lms:1.9.0
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cpe:2.3:a:chamilo:chamilo_lms:1.9.10
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cpe:2.3:a:chamilo:chamilo_lms:1.9.10.2
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cpe:2.3:a:chamilo:chamilo_lms:1.9.10.4
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cpe:2.3:a:chamilo:chamilo_lms:1.9.2
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cpe:2.3:a:chamilo:chamilo_lms:1.9.4
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cpe:2.3:a:chamilo:chamilo_lms:1.9.6
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cpe:2.3:a:chamilo:chamilo_lms:1.9.6.1
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cpe:2.3:a:chamilo:chamilo_lms:1.9.8
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cpe:2.3:a:chamilo:chamilo_lms:1.9.8.1
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cpe:2.3:a:chamilo:chamilo_lms:1.9.8.2