๐Ÿ›ก๏ธ CVE-2026-33704
๐ŸŸ  CVSS 7.1 โ€” High โœ… No Known Exploit CWE-434 NVD
7.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Chamilo LMS is a learning management system. Prior to 1.11.38, any authenticated user (including students) can write arbitrary content to files on the server via the BigUpload endpoint. The key parameter controls the filename and the raw POST body becomes the file content. While .php extensions are filtered to .phps, the .pht extension passes through unmodified. On Apache configurations where .pht is handled as PHP, this leads to Remote Code Execution. This vulnerability is fixed in 1.11.38.

Details

Severity HIGH
CVSS Score 7.1
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
CWE CWE-434
Public Exploit โœ… No
Source NVD
Published 2026-04-10
Updated 2026-06-02
Modified 2026-04-16

Affected Packages

Software From version Fixed in
chamilo-lms โ€” 1.11.38

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