CVE-2023-4224 json
Chamilo LMS File Upload Functionality Remote Code Execution
published 2023-11-28 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54097
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
Unrestricted file upload in `/main/inc/ajax/dropbox.ajax.php` in Chamilo LMS <= v1.11.24 allows authenticated attackers with learner role to obtain remote code execution via uploading of PHP files.
Patch / fix
Exploit prediction
1.83% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- starlabs.sg https://starlabs.sg/advisories/23/23-4224 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Chamilo Chamilo
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
github.com
/chamilo/chamilo-lms/commit/6f32625a012d5de2dfe8edbccb4ed14a85e310d4
patch
-
github.com
/chamilo/chamilo-lms/commit/f3d62b65ad60d68096c2674d5695339f04de0b8a
patch
-
github.com
/chamilo/chamilo-lms/commit/e864127a440c2cab0eb62c113a04e2e904543a1f
patch
-
starlabs.sg
/advisories/23/23-4224
third-party-advisory, exploit
-
support.chamilo.org
/projects/chamilo-18/wiki/security_issues#Issue-129-2023-09-04-Critical-impact-Moderate-risk-Authenticated-use
vendor-advisory, issue-tracking
Sources
- CVE List CVE-2023-4224
- NVD CVE-2023-4224
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.