Home/CVE/Chamilo is a learning management system. Prior to version 1.11.30, the open parameter of help.php fails to properly sani
CVE

CVE-2025-52564

Chamilo is a learning management system. Prior to version 1.11.30, the open parameter of help.php fails to properly sani

Chamilo is a learning management system. Prior to version 1.11.30, the open parameter of help.php fails to properly sanitize user input. This allows an attacker to inject arbitrary HTML, such as underlined text, via a crafted URL.

This issue has been patched in version 1.11.30.

MEDIUM · CVSS 6.1 EPSS 0.00043
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-80Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
▤

Affected Products & Versions

1
chamilo lms< 1.11.30
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Mar 2026 · 04:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/chamilo/chamilo-lms/commit/083b1d2b0c29b0cc0313a28165ad47bebae9dcb2Patch
https://github.com/chamilo/chamilo-lms/commit/1ee2d8bb61b67e08946cd80b1a9b92c1a9959c7bPatch
https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30ProductRelease Notes
https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-6fmm-qrx4-wgqcVendor Advisory
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