TI-2025-40879 Aliases CVE-2025-66447

Chamilo LMS has validation-less redirect on login page

LOW 27CWE-601Published 2026-04-10 · Updated 2026-04-14

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Spoofing
Confidentiality · integrity · availability: None · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-601.

Summary

Chamilo LMS is a learning management system. From 1.11.0 to 2.0-beta.1, anyone can trigger a malicious redirect through the use of the redirect parameter to /login. This vulnerability is fixed in 2.0-beta.2.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00168 6th percentileScored 2026-11-07

Fix Fixed chamilo-lms (chamilo): 2.0.0-RC.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
chamilo	chamilo-lms	1.11.0 to before 2.0.0-RC.3	2.0.0-RC.3	Patch available	CNA

chamilo-lms Vendorchamilo Affected 1.11.0 to before 2.0.0-RC.3 Fixed in 2.0.0-RC.3 Patch available CNA

CPE configurations NVD · 11

CPE	Versions	Role	Vendor
cpe:2.3:a:chamilo:chamilo_lms::::::::	up to 1.11.38	Vulnerable	chamilo
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha1::::::	2.0.0 alpha1	Vulnerable	chamilo
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha2::::::	2.0.0 alpha2	Vulnerable	chamilo
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha3::::::	2.0.0 alpha3	Vulnerable	chamilo
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha4::::::	2.0.0 alpha4	Vulnerable	chamilo
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha5::::::	2.0.0 alpha5	Vulnerable	chamilo
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta1::::::	2.0.0 beta1	Vulnerable	chamilo
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta2::::::	2.0.0 beta2	Vulnerable	chamilo
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta3::::::	2.0.0 beta3	Vulnerable	chamilo
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:rc1::::::	2.0.0 rc1	Vulnerable	chamilo

cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:* Versions up to 1.11.38 Vulnerable ·chamilo
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha1:*:*:*:*:*:* Versions 2.0.0 alpha1 Vulnerable ·chamilo
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha2:*:*:*:*:*:* Versions 2.0.0 alpha2 Vulnerable ·chamilo
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha3:*:*:*:*:*:* Versions 2.0.0 alpha3 Vulnerable ·chamilo
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha4:*:*:*:*:*:* Versions 2.0.0 alpha4 Vulnerable ·chamilo
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha5:*:*:*:*:*:* Versions 2.0.0 alpha5 Vulnerable ·chamilo
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta1:*:*:*:*:*:* Versions 2.0.0 beta1 Vulnerable ·chamilo
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta2:*:*:*:*:*:* Versions 2.0.0 beta2 Vulnerable ·chamilo
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta3:*:*:*:*:*:* Versions 2.0.0 beta3 Vulnerable ·chamilo
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:rc1:*:*:*:*:*:* Versions 2.0.0 rc1 Vulnerable ·chamilo

Show 1 more CPE

CPE	Versions	Role	Vendor
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:rc2::::::	2.0.0 rc2	Vulnerable	chamilo

cpe:2.3:a:chamilo:chamilo_lms:2.0.0:rc2:*:*:*:*:*:* Versions 2.0.0 rc2 Vulnerable ·chamilo

Remediation

Fix · CNA chamilo-lms (chamilo) Fixed in 2.0.0-RC.3

Timeline

2026-10-02 Threatist record created from CVE-2025-66447

References

Patch 1

https://github.com/chamilo/chamilo-lms/commit/73ae6293adaa6098374bc22625342dbae5cbc446

Advisory 1

https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-m82x-prv3-rwwv

TI-2025-32070 Chamilo: Evaluation of untrusted user input leads to Remote Code Execution CVSS 3.1CRITICAL 9.8
TI-2025-32081 Deserialization of untrusted data in chamilo-lms CVSS 4.0HIGH 8.8
TI-2024-32140 Chamilo: Post-Auth Remote Code Execution CVSS 4.0HIGH 8.7
TI-2023-03907 Chamilo LMS Unauthenticated Big Upload File Remote Code Execution CVSS 3.1HIGH 8.1
TI-2025-32595 Chamilo: Stored XSS Vulnerability via CSV User Import CVSS 3.1HIGH 8.8
TI-2024-20321 Chamilo LMS 1.11.26 is vulnerable to Incorrect Access Control via main/auth/profile. CVSS 3.1HIGH 8.8

See all 121 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences