Is this vulnerability remotely exploitable over the internet?

Yes. Because the vulnerable parameter is accessible without authentication, a remote attacker who can reach the Chamilo LMS web interface can attempt to exploit the SQL injection directly.

Does an attacker need valid user credentials to take over an admin account?

No. The flaw is unauthenticated, and when combined with the predictable legacy password reset mechanism, it can be used to obtain or reset administrative credentials without any prior login.

What is the safest general fix pattern for developers?

Replace all dynamic SQL construction involving user input with parameterized queries, enforce strong server-side validation on parameters, and redesign password reset logic to use robust, random, and time-limited tokens with clear verification steps.

Severity:

CRITICAL RISK

(9.8)

Unauthenticated SQL Injection (CWE-89) in Chamilo LMS custom_dates Parameter

CVE-2026-28430

Published:

Mar 16, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

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May 6, 2026

Vulnerability Type

Category:

SQL Injection

CWE:

CWE-89

Impact:

Remote Database Compromise and Administrative Account Takeover

Severity:

CRITICAL RISK

(9.8)

CVSS Version:

3.1

Vulnerability Type

Category:

SQL Injection

CWE:

CWE-89

Impact:

Remote Database Compromise and Administrative Account Takeover

Severity:

CRITICAL RISK

(9.8)

CVSS Version:

3.1

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Unauthenticated SQL Injection (CWE-89) in Chamilo LMS custom_dates Parameter

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

(8.6)

Server-Side Request Forgery (CWE-918) in OpenClaw Zalo Plugin sendPhoto

HIGH RISK

HIGH

(8.8)

Authorization Bypass (CWE-863) in OpenClaw Matrix Room Control Commands

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

Ship clean & secure code faster

Ship clean & secure code faster

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