XSS in Chamilo Chamilo-Lms
CVE-2025-52482
Chamilo is a learning management system. Prior to version 1.11.30, a Stored XSS vulnerability exists in the glossary function, enabling all users with the Teachers role to inject JavaScript malicious code against the administrator. This issue has been patched in version 1.11.30.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:L.
EPSS exploit prediction
EPSS: 0.004 (28.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Chamilo Chamilo-Lms — versions < 1.11.30
- Chamilo Lms
Weakness classification (CWE)
References
- github.com/chamilo/chamilo-lms/security/advisories/GHSA-4wcp-3rh3-7wm4 (Exploit, Mitigation, Vendor Advisory)
- github.com/chamilo/chamilo-lms/commit/241c569dde0ad0e34d558ae51271f70438189b0e (Patch)
- github.com/chamilo/chamilo-lms/commit/82cc07edd8ef316e6b36da7c501120d5c0aeb151 (Patch)
- github.com/chamilo/chamilo-lms/commit/f9150075246df4ed9755a4a150e25edb468767be (Patch)
- github.com/chamilo/chamilo-lms/releases/tag/v1.11.30 (Product, Release Notes)
Frequently asked questions
- What is CVE-2025-52482?
- CVE-2025-52482 is a high-severity vulnerability in Chamilo Chamilo-Lms, classified under Cross-site Scripting. CVSS score: 8.3/10. Published 2026-03-02.
- How severe is CVE-2025-52482?
- High severity. CVSS v3 base score is 8.3 out of 10.