๐Ÿ” CVE Alert

CVE-2026-33737

MEDIUM 5.3

Chamilo LMS has an XML External Entity (XXE) Injection

CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
7th

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, multiple files use simplexml_load_string() without XXE protection. With LIBXML_NOENT flag, arbitrary server files can be read. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.

CWE CWE-611
Vendor chamilo
Product chamilo-lms
Published Apr 10, 2026
Last Updated Apr 13, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Affected Versions

chamilo / chamilo-lms
< 1.11.38 >= 2.0.0-alpha.1, < 2.0.0-RC.3

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-c4ww-qgf2-v89j github.com: https://github.com/chamilo/chamilo-lms/commit/22b1cb1c609b643765c88654155aba27070c927e github.com: https://github.com/chamilo/chamilo-lms/commit/af6b7002af7c15825e98fc522e2ead0d00cacaa3