Is CVE-2025-59540 actively exploited?

CVE-2025-59540 has no public evidence of in-the-wild exploitation as of 2026-03-09.

What is the CVSS score for CVE-2025-59540?

CVE-2025-59540 has a CVSS score of 6.4 (MEDIUM severity). Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/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-2025-59540?

Patch guidance is available from chamilo security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-59540.

Which products are affected by CVE-2025-59540?

1 product: chamilo chamilo lms.

CVE-2025-59540 - remediation guidance & executive summary

Description

Chamilo is a learning management system. Prior to version 1.11.34, a stored XSS vulnerability exists in Chamilo LMS that allows a staff account to execute arbitrary JavaScript in the browser of higher-privileged admin users. The issue arises because feedback input in the exercise history page is not properly encoded before rendering, allowing malicious scripts to persist in the database and execute on view. This issue has been patched in version 1.11.34.

CVSS Metrics

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/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: low
User Action: passive
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-79 · Cross-site Scripting (XSS)CWE-80

Metadata

Primary Vendor: CHAMILO
Published: 3/6/2026
Last Modified: 3/9/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-59540

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary