CVE-2023-34944
CriticalCVSS 9.8Exploitation Probability (EPSS)
Elevated risk61th percentile - higher than 61% of all known CVEs
Summary
An arbitrary file upload vulnerability in the /fileUpload.lib.php component of Chamilo versions 1.11.* up to 1.11.18 allows attackers to upload crafted SVG files. This can lead to arbitrary code execution on the server.
Risk Assessment
The risk for the organization includes full server compromise, data theft, or malware infection.
Recommendation
Immediately upgrade Chamilo to version 1.11.19 or later, which includes a fix for this vulnerability. Additionally, consider restricting SVG file uploads or implementing file type validation.
Other vulnerabilities in Chamilo
See all- CVE-2023-34960Critical
A command injection vulnerability in the wsConvertPpt component of Chamilo versions 1.11.* through 1.11.18. An attacker can execute arbitrary system commands via a SOAP API call with a crafted PowerPoint filename.
- CVE-2026-34239High
Vulnerability in Chamilo version 1.11.40 and earlier. An authenticated user enrolled in a course (student, teacher, DRH) can remotely execute code in the main/inc/ajax/lang.ajax.php path, which is protected only by api_protect_course_script(true).
- CVE-2026-33714High
Chamilo LMS version 2.0.0-RC.2 has a SQL injection vulnerability in the statistics AJAX endpoint, an incomplete fix for CVE-2026-30881. The date_start and date_end parameters in the users_active action are unsanitized, allowing an authenticated admin to perform time-based blind SQL injection and extract arbitrary data.
- CVE-2023-39061Low
A CSRF vulnerability in Chamilo versions 1.11 through 1.11.20 allows a remote authenticated privileged attacker to execute arbitrary code. The flaw is due to missing cross-site request forgery protections.
- CVE-2023-37066Medium
Chamilo versions 1.11.x up to 1.11.20 allow users with admin privileges to insert XSS in the skills wheel.
- CVE-2023-37062Medium
Chamilo versions 1.11.x up to 1.11.20 allow users with admin privilege accounts to insert XSS in the course categories' definition.
Original NVD description (English source)
An arbitrary file upload vulnerability in the /fileUpload.lib.php component of Chamilo 1.11.* up to v1.11.18 allows attackers to execute arbitrary code via uploading a crafted SVG file.

