Is CVE-2025-52563 actively exploited?

CVE-2025-52563 has no public evidence of in-the-wild exploitation as of 2026-03-03.

What is the CVSS score for CVE-2025-52563?

CVE-2025-52563 has a CVSS score of 5.1 (MEDIUM severity). Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

How do I patch CVE-2025-52563?

Patch guidance is available from chamilo security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-52563.

Which products are affected by CVE-2025-52563?

1 product: chamilo chamilo lms.

CVE-2025-52563 - remediation guidance & executive summary

Description

Chamilo is a learning management system. Prior to version 1.11.30, there is a reflected cross-site scripting (XSS) vulnerability due to insufficient sanitization of the page parameter in the session/add_users_to_session.php endpoint. This issue has been patched in version 1.11.30.

CVSS Metrics

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector: network
Complexity: low
Privileges: none
User Action: active
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-79 · Cross-site Scripting (XSS)CWE-80 CWE-87

Metadata

Primary Vendor: CHAMILO
Published: 3/2/2026
Last Modified: 3/3/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-52563

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary