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CVE-2025-66447

MEDIUM CVSS 3.1: 4.7 EPSS 0.03%
Updated Apr 17, 2026
Chamilo
Parameter Value
CVSS 4.7 (MEDIUM)
Affected Versions before 1.11.38
Fixed In 2.0
Type CWE-601 (Open Redirect)
Vendor Chamilo
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)

Vulnerable Products 11

Configuration From (including) Up to (excluding)
Chamilo Chamilo_Lms
cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*
<= 1.11.38
Chamilo Chamilo_Lms
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha1:*:*:*:*:*:*
Chamilo Chamilo_Lms
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha2:*:*:*:*:*:*
Chamilo Chamilo_Lms
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha3:*:*:*:*:*:*
Chamilo Chamilo_Lms
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha4:*:*:*:*:*:*
Chamilo Chamilo_Lms
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha5:*:*:*:*:*:*
Chamilo Chamilo_Lms
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta1:*:*:*:*:*:*
Chamilo Chamilo_Lms
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta2:*:*:*:*:*:*
Chamilo Chamilo_Lms
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta3:*:*:*:*:*:*
Chamilo Chamilo_Lms
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:rc1:*:*:*:*:*:*
Chamilo Chamilo_Lms
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:rc2:*:*:*:*:*:*