CVE-2025-66447

Chamilo LMS has validation-less redirect on login page

State: Published
Severity: 0.0 None
Published: Apr 10, 2026
Updated: Apr 14, 2026
Reserved: Dec 1, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	0.0 None	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N	GitHub_M

Weaknesses

CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

Affected Products

Product	Versions
chamilo-lmschamilo	>= 1.11.0, < 2.0.0-RC.3Affected

References

https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-m82x-prv3-rwwv
https://github.com/chamilo/chamilo-lms/commit/73ae6293adaa6098374bc22625342dbae5cbc446

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