CVE-2025-55208
Chamilo LMS has Stored Cross Site Scripting on Social Networks Uploaded Files
CVSS Score
9.1
EPSS Score
0.0%
EPSS Percentile
0th
Chamilo is a learning management system. Versions prior to 1.11.34 have a Stored XSS through insecure file uploads in `Social Networks`. Through it, a low-privilege user can execute arbitrary code in the admin user inbox, allowing takeover of the admin account. Version 1.11.34 fixes the issue.
| CWE | CWE-79 |
| Vendor | chamilo |
| Product | chamilo-lms |
| Published | Mar 5, 2026 |
| Last Updated | Mar 6, 2026 |
Stay Ahead of the Next One
Get instant alerts for chamilo chamilo-lms
Be the first to know when new critical vulnerabilities affecting chamilo chamilo-lms are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
chamilo / chamilo-lms
< 1.11.34