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    CVE-2023-3545

    Improper sanitisation in `main/inc/lib/fileUpload.lib.php` in Chamilo LMS <= v1.11.20 on Windows and Apache installations allows unauthenticated attackers to bypass file upload security protections and obtain remote code execution via uploading of `.htaccess` file. This vulnerability may be exploited by privileged attackers or chained with unauthenticated arbitrary file write vulnerabilities, such as CVE-2023-3533, to achieve remote code execution.

    Published:Nov 28, 2023
    Last Modified:Nov 21, 2024
    EPS:Nov 28, 2023
    EPSS Score:0.02987
    CVSS Score:9.8

    Affected Products

    Vendor
    Chamilo
    Product
    Chamilo

    Exploits

    https://starlabs.sg/advisories/23/23-3545/https://starlabs.sg/advisories/23/23-3545/

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-1106 (CVSS 2.1) — A security flaw has been discovered in Chamilo LMS up to 2.0.0 Beta 1. This issue affects the function deleteL…
    CVE-2025-69581 (CVSS 5.5) — An issue was discovered in Chamillo LMS 1.11.2. The Social Network /personal_data endpoint exposes full sensit…
    CVE-2023-4225 (CVSS 8.8) — Unrestricted file upload in `/main/inc/ajax/exercise.ajax.php` in Chamilo LMS <= v1.11.24 allows authenticated…
    CVE-2023-3533 (CVSS 9.8) — Path traversal in file upload functionality in `/main/webservices/additional_webservices.php` in Chamilo LMS <…
    CVE-2023-3368 (CVSS 9.8) — Command injection in `/main/webservices/additional_webservices.php` in Chamilo LMS <= v1.11.20 allows unauthen…
    CVE-2023-39061 (CVSS 3.5) — Cross Site Request Forgery (CSRF) vulnerability in Chamilo v.1.11 thru v.1.11.20 allows a remote authenticated…
    CVE-2023-34960 (CVSS 9.8) — A command injection vulnerability in the wsConvertPpt component of Chamilo v1.11.* up to v1.11.18 allows attac…
    CVE-2023-37063 (CVSS 4.8) — Chamilo 1.11.x up to 1.11.20 allows users with admin privilege account to insert XSS in the careers & promotio…
    CVE-2023-37064 (CVSS 4.8) — Chamilo 1.11.x up to 1.11.20 allows users with admin privilege account to insert XSS in the extra fields manag…
    CVE-2023-37061 (CVSS 4.8) — Chamilo 1.11.x up to 1.11.20 allows users with an admin privilege account to insert XSS in the languages manag…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High