6.5

CVE-2026-33737

Chamilo LMS has an XML External Entity (XXE) Injection

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Chamilo ≫ Chamilo Lms Version < 1.11.38
Chamilo ≫ Chamilo Lms Version 2.0.0 Update alpha1
Chamilo ≫ Chamilo Lms Version 2.0.0 Update alpha2
Chamilo ≫ Chamilo Lms Version 2.0.0 Update alpha3
Chamilo ≫ Chamilo Lms Version 2.0.0 Update alpha4
Chamilo ≫ Chamilo Lms Version 2.0.0 Update alpha5
Chamilo ≫ Chamilo Lms Version 2.0.0 Update beta1
Chamilo ≫ Chamilo Lms Version 2.0.0 Update beta2
Chamilo ≫ Chamilo Lms Version 2.0.0 Update beta3
Chamilo ≫ Chamilo Lms Version 2.0.0 Update rc1
Chamilo ≫ Chamilo Lms Version 2.0.0 Update rc2
VulnDex Vulnerability Enrichment
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EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.22% 0.122
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
security-advisories@github.com 5.3 1.6 3.6
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE-611 Improper Restriction of XML External Entity Reference

The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

https://github.com/chamilo/chamilo-lms/commit/22b1cb1c609b643765c88654155aba27070c927e
Patch
https://github.com/chamilo/chamilo-lms/commit/af6b7002af7c15825e98fc522e2ead0d00cacaa3
Patch
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-c4ww-qgf2-v89j
Vendor Advisory