Information
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Advisory by Netsparker
Name: SQL Injection Vulnerabilities in Chamilo 1.11.6
Affected Software: Chamilo
Affected Versions: 1.11.6
Homepage: https://chamilo.org/en/
Vulnerability:  SQL injection
Severity: High
Status: Fixed
CVSS Score (3.0): 7.6
Netsparker Advisory Reference: NS-18-028

Technical Details
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URL: http://{DOMAIN}/{PATH-OF-CHAMILO}/main/admin/subscribe_user2course.php 
Parameter Name: firstLetterUser
Parameter Type: POST
Attack Pattern: A’OR 1=1 OR ‘ns’=’ns

URL: http://{DOMAIN}/{PATH-OF-CHAMILO}/main/admin/subscribe_user2course.php
Parameter Name: firstLetterCourse
Parameter Type: POST
Attack Pattern: A’OR 1=1 OR ‘ns’=’ns

For more information on SQL Injection vulnerabilities read the article SQL Injection.

Advisory Timeline
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9th July 2018 - First Contact
28th November 2018 - Vendor Fixed
4th December 2018 - Advisory Released

Credits & Authors
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These issues have been discovered by Zekvan Arslan while testing Netsparker Web Application Security Scanner.

About Netsparker
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Netsparker web application security scanners find and report security flaws and vulnerabilities such as SQL Injection and Cross-site Scripting (XSS) in all websites and web applications, regardless of the platform and technology they are built on. Netsparker scanning engine’s unique detection and exploitation techniques allow it to be dead accurate in reporting vulnerabilities. The Netsparker web application security scanner is available in two editions; Netsparker Desktop and Netsparker Cloud. Visit our website https://www.netsparker.com for more information.