Chamilo LMS 1.11.8 Arbitrary File Upload via elfinder
Published Feb 20, 2026
8.7
HIGHCVSS 4.0
EPSS 0.39%
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.
Affected products
-
- Version Chamilo 1.11.8 or lower to 1.8StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Chamilo | Chamillo LMS | n/a |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
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
1 other source (NVD) ▾
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:X/V:X/RE:X/U:X
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
PoCAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Feb 24, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
Feb–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.39% (0.00390) | 30.78th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.38% (0.00376) | 29.14th | v5 (v2026.06.15) |
| Feb 21, 2026 | 0.06% (0.00055) | 17.26th | v4 (v2025.03.14) |
References (3)
- https://github.com/chamilo/chamilo-lms product
- https://www.exploit-db.com/exploits/47423 exploit
- https://www.vulncheck.com/advisories/chamilo-lms-arbitrary-file-upload-via-elfinder third-party-advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/chamilo/chamilo-lms | product | |
| https://www.exploit-db.com/exploits/47423 | exploit | |
| https://www.vulncheck.com/advisories/chamilo-lms-arbitrary-file-upload-via-elfinder | third-party-advisory |
Change history (0)
No recorded changes yet.