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Vulnerability record · CVE-2018-25158 · published 20 February 2026

CVE-2018-25158: Unrestricted file upload vulnerability

Chamilo LMS 1.11.8 contains an arbitrary file upload vulnerability that allows authenticated users to upload and execute PHP files through the elfinder filemanager module. Attackers can upload files with image headers in the social myfiles section, rename them to PHP extensions, and execute arbitrary code by accessing the uploaded files.

8.7 CVSS 4.0 High EPSS 0.39% · top 69.5% CWE-434 · Unrestricted file upload Deferred
8.7CVSS 4.0 base score
0.39%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

Chamilo LMS 1.11.8 contains an arbitrary file upload vulnerability that allows authenticated users to upload and execute PHP files through the elfinder filemanager module. Attackers can upload files with image headers in the social myfiles section, rename them to PHP extensions, and execute arbitrary code by accessing the uploaded files.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/chamilo/chamilo-lms
https://www.exploit-db.com/exploits/47423
https://www.vulncheck.com/advisories/chamilo-lms-arbitrary-file-upload-via-elfinder

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Source: NIST National Vulnerability Database (record CVE-2018-25158), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.