Is CVE-2025-55208 actively exploited?

CVE-2025-55208 has no public evidence of in-the-wild exploitation as of 2026-03-09.

What is the CVSS score for CVE-2025-55208?

CVE-2025-55208 has a CVSS score of 9 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

How do I patch CVE-2025-55208?

Patch guidance is available from chamilo security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-55208.

Which products are affected by CVE-2025-55208?

1 product: chamilo chamilo lms.

Fix CVE-2025-55208 - CRITICAL chamilo chamilo lms

Description

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: low
User Action: required
Scope: changed
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-79 · Cross-site Scripting (XSS)

Metadata

Primary Vendor: CHAMILO
Published: 3/5/2026
Last Modified: 3/9/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-55208

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary