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Vulnerability record · CVE-2026-30881 · published 16 March 2026

CVE-2026-30881: Chamilo lms sql injection vulnerability

Chamilo · Chamilo Lms

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.

8.8 CVSS 3.1 High EPSS 0.47% · top 61.9% CWE-89 · SQL injection
8.8CVSS 3.1 base score
0.47%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.36 ProductRelease Notes
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-5ggx-x2cv-4h44 Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-30881), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.