Is this vulnerability remotely exploitable?

It is remotely exploitable but requires a valid authenticated account. An attacker can exploit it over the network through the Chamilo LMS web interface once logged in.

What level of access does an attacker need to exploit this issue?

The attacker must be an authenticated user with permission to upload files in the social "myfiles" section. No special administrative privileges are inherently required if the upload functionality is available to standard users.

What is the safest general fix pattern for this vulnerability class?

The safest pattern is to treat all uploaded files as untrusted data: strictly limit allowed types, store uploads outside of executable paths, and configure the web server to never execute user-uploaded content. Filemanager modules should be constrained so they cannot create or rename files into executable script types.

Severity:

HIGH RISK

(8.8)

Unrestricted File Upload (CWE-434) in Chamilo LMS elFinder Filemanager Module

CVE-2018-25158

Published:

Feb 20, 2026

Status:

Awaiting Analysis

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

Remote Code Execution on the Router

April 6, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Remote Code Execution on Router Firmware

April 6, 2026

Vulnerability Type

Category:

Unrestricted File Upload

CWE:

CWE-434

Impact:

Remote Code Execution by Authenticated Users

Severity:

HIGH RISK

(8.8)

CVSS Version:

3.1

Vulnerability Type

Category:

Unrestricted File Upload

CWE:

CWE-434

Impact:

Remote Code Execution by Authenticated Users

Severity:

HIGH RISK

(8.8)

CVSS Version:

3.1

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Ask AI for summary of CodeAnt

Unrestricted File Upload (CWE-434) in Chamilo LMS elFinder Filemanager Module

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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