High severity · published Feb 20, 2026
CVE-2018-25158
Chamilo LMS 1.11.8 Arbitrary File Upload via elfinder
8.8
CVSS
0.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CL
Chamillo LMS · Chamilo
Chamilo 1.11.8 or lower to 1.8 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-25158
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-25158
github.com
https://github.com/chamilo/chamilo-lms
www.exploit-db.com
https://www.exploit-db.com/exploits/47423
www.vulncheck.com
https://www.vulncheck.com/advisories/chamilo-lms-arbitrary-file-upload-via-elfinder