CVE-2026-33737

Published: Apr 10, 2026 Last Modified: Apr 16, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 5,3
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,0003
Percentile
0,1th
Updated

EPSS Score Trend (Last 6 Days)

611

Improper Restriction of XML External Entity Reference

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Integrity Availability
Potential Impacts:
Read Application Data Read Files Or Directories Bypass Protection Mechanism Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory)
Applicable Platforms
Languages: Not Language-Specific, XML
Technologies: Not Technology-Specific, Web Based
View CWE Details
Application

Chamilo Lms by Chamilo

Product Information
Vendor Chamilo
Product Chamilo Lms
Version 2.0.0
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha3:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Chamilo Lms by Chamilo

Product Information
Vendor Chamilo
Product Chamilo Lms
Version 2.0.0
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta2:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Chamilo Lms by Chamilo

Product Information
Vendor Chamilo
Product Chamilo Lms
Version 2.0.0
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Chamilo Lms by Chamilo

Product Information
Vendor Chamilo
Product Chamilo Lms
Version 2.0.0
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta3:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Chamilo Lms by Chamilo

Product Information
Vendor Chamilo
Product Chamilo Lms
Version Range Affected
To 1.11.38 (exclusive)
cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Chamilo Lms by Chamilo

Product Information
Vendor Chamilo
Product Chamilo Lms
Version 2.0.0
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha5:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Chamilo Lms by Chamilo

Product Information
Vendor Chamilo
Product Chamilo Lms
Version 2.0.0
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:beta1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Chamilo Lms by Chamilo

Product Information
Vendor Chamilo
Product Chamilo Lms
Version 2.0.0
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha4:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Chamilo Lms by Chamilo

Product Information
Vendor Chamilo
Product Chamilo Lms
Version 2.0.0
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:rc1:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Chamilo Lms by Chamilo

Product Information
Vendor Chamilo
Product Chamilo Lms
Version 2.0.0
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:rc2:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Chamilo Lms by Chamilo

Product Information
Vendor Chamilo
Product Chamilo Lms
Version 2.0.0
cpe:2.3:a:chamilo:chamilo_lms:2.0.0:alpha2:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://github.com/chamilo/chamilo-lms/commit/22b1cb1c609b6…
https://github.com/chamilo/chamilo-lms/commit/22b1cb1c609b643765c88654155aba270…
https://github.com/chamilo/chamilo-lms/commit/af6b7002af7c1…
https://github.com/chamilo/chamilo-lms/commit/af6b7002af7c15825e98fc522e2ead0d0…
https://github.com/chamilo/chamilo-lms/security/advisories/…
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-c4ww-qgf2-v89j