Chamilo LMS has validation-less redirect on login page
Summary
| CVE | CVE-2025-66447 |
|---|---|
| State | PUBLISHED |
| Assigner | GitHub_M |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-04-10 18:16:40 UTC |
| Updated | 2026-04-17 22:03:27 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v3.1 4.7 MEDIUM from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
EPSS: 0.000340000 probability, percentile 0.098640000 (date 2026-04-21)
Problem Types: CWE-601 | CWE-601 CWE-601: URL Redirection to Untrusted Site ('Open Redirect')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 4.7 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N |
| 3.1 | [email protected] | Secondary | 0 | NONE | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N |
| 3.1 | CNA | DECLARED | 0 | NONE | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
ChangedConfidentiality
NoneIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Chamilo | Chamilo Lms | 2.0.0 | alpha1 | All | All |
| Application | Chamilo | Chamilo Lms | 2.0.0 | alpha2 | All | All |
| Application | Chamilo | Chamilo Lms | 2.0.0 | alpha3 | All | All |
| Application | Chamilo | Chamilo Lms | 2.0.0 | alpha4 | All | All |
| Application | Chamilo | Chamilo Lms | 2.0.0 | alpha5 | All | All |
| Application | Chamilo | Chamilo Lms | 2.0.0 | beta1 | All | All |
| Application | Chamilo | Chamilo Lms | 2.0.0 | beta2 | All | All |
| Application | Chamilo | Chamilo Lms | 2.0.0 | beta3 | All | All |
| Application | Chamilo | Chamilo Lms | 2.0.0 | rc1 | All | All |
| Application | Chamilo | Chamilo Lms | 2.0.0 | rc2 | All | All |
| Application | Chamilo | Chamilo Lms | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Chamilo | Chamilo-lms | affected >= 1.11.0, < 2.0.0-RC.3 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| github.com/chamilo/chamilo-lms/commit/73ae6293adaa6098374bc22625342dbae5... | [email protected] | github.com | Patch |
| github.com/chamilo/chamilo-lms/security/advisories/GHSA-m82x-prv3-rwwv | [email protected] | github.com | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.