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CVE-2025-59542

Chamilo Lms cross-site scripting (XSS)

9.0 CRITICALEPSS 0.31%
  1. Published6 Mar 2026

Description

Chamilo is a learning management system. Prior to version 1.11.34, there is a stored cross-site scripting (XSS) vulnerability. By injecting malicious JavaScript into the course learning path Settings field, an attacker with a low-privileged account (e.g., trainer) can execute arbitrary JavaScript code in the context of any other user viewing the course information page, including administrators. This allows an attacker to exfiltrate sensitive session cookies or tokens, resulting in account takeover (ATO) of higher-privileged users. This issue has been patched in version 1.11.34.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionRequired
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Affected products

Chamilo Lms< 1.11.34

Remediation

Fixed in
Chamilo Lms≥ 1.11.34

References

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Frequently asked

Is CVE-2025-59542 being actively exploited?

CVE-2025-59542 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.31%.

How severe is CVE-2025-59542?

CVE-2025-59542 has a CVSS 3.1 base score of 9.0, rated critical. EPSS estimates a 0.31% probability of exploitation.

Which products are affected by CVE-2025-59542?

Affected products include Chamilo Lms.

How do I fix CVE-2025-59542?

Upgrade affected software to a fixed version, for example Chamilo Lms 1.11.34 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-59542 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.