CVE-2026-32893
Chamilo LMS has Reflected XSS via Unsanitized http_build_query() in Exercise Question List Pagination
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
8th
Chamilo LMS is a learning management system. Prior to 2.0.0-RC.3, a Reflected Cross-Site Scripting (XSS) vulnerability in the exercise question list admin panel allows an attacker to execute arbitrary JavaScript in an authenticated teacher's browser. The pagination code merges all $_GET parameters via array_merge() and outputs the result via http_build_query() directly into HTML href attributes without htmlspecialchars() encoding. This vulnerability is fixed in 2.0.0-RC.3.
| CWE | CWE-79 |
| Vendor | chamilo |
| Product | chamilo-lms |
| Published | Apr 10, 2026 |
| Last Updated | Apr 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
chamilo / chamilo-lms
>= 2.0.0-alpha.1, < 2.0.0-RC.3