Chamilo
CVE-2025-52482
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS 8.3 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: High. User interaction: Required. Exploitation requires authentication. Public exploit/POC available. |
| Exploit ScenarioDerived | An attacker (requires authentication) could exploit this vulnerability to compromise the affected system. |
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Alert meAnalysisAIv1 – Mar 12, 2026
Chamilo is a learning management system. Prior to version 1.11.30, a Stored XSS vulnerability exists in the glossary function, enabling all users with the Teachers role to inject JavaScript malicious code against the administrator. [CVSS 8.3 HIGH]
RemediationAI
A vendor patch is available — apply it immediately. Fixed in version 1.11.30.. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Classified as CWE-79 (Cross-site Scripting (XSS)). Affects the glossary component of Chamilo Lms. Chamilo is a learning management system. Prior to version 1.11.30, a Stored XSS vulnerability exists in the glossary function, enabling all users with the Teachers role to inject JavaScript malicious code against the administrator. This issue has been patched in version 1.11.30.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
Lifecycle Timeline
3DescriptionGitHub Advisory
Chamilo is a learning management system. Prior to version 1.11.30, a Stored XSS vulnerability exists in the glossary function, enabling all users with the Teachers role to inject JavaScript malicious code against the administrator. This issue has been patched in version 1.11.30.
Executive ViewAI
A stored cross-site scripting vulnerability in Chamilo LMS versions prior to 1.11.30 allows teachers to inject malicious code that executes when administrators access the glossary function, potentially compromising administrative accounts and sensitive institutional data. This vulnerability poses a direct threat to system integrity and administrative access control across your learning environment.
Apply vendor patch.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)GitHub Advisory
Related Vulnerabilities in Chamilo Learning Management System XSS
View all 2A command injection vulnerability in the wsConvertPpt component of Chamilo v1.11.* up to v1.11.18 allows attackers to ex
Chamilo LMS prior to 1.11.28 has a code injection through SOAP request parameters enabling remote code execution.
Chamilo LMS prior to 1.11.30 has a time-based SQL injection in a different endpoint, providing an additional database ex
Chamilo LMS prior to 1.11.30 has an error-based SQL injection enabling database extraction.
Improper sanitisation in `main/inc/lib/fileUpload.lib.php` in Chamilo LMS <= v1.11.20 on Windows and Apache installation
Path traversal in file upload functionality in `/main/webservices/additional_webservices.php` in Chamilo LMS <= v1.11.20
Command injection in `/main/webservices/additional_webservices.php` in Chamilo LMS <= v1.11.20 allows unauthenticated at
Chamilo LMS v1.11.x was discovered to contain a SQL injection via the doc parameter in main/plagiarism/compilatio/upload
main/inc/ajax/model.ajax.php in Chamilo through 1.11.14 allows SQL Injection via the searchField, filters, or filters2 p
Chamilo LMS 1.11.8 and 2.x allows remote code execution through an lp_upload.php unauthenticated file upload feature. Ra
Chamilo LMS prior to 1.11.30 has a blind SSRF vulnerability enabling internal network reconnaissance from the learning p
Unrestricted file upload in big file upload functionality in `/main/inc/lib/javascript/bigupload/inc/bigUpload.php` in C
Exploit-DB