How severe is CVE-2025-52475?

CVE-2025-52475 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-52475 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-52475?

CVE-2025-52475 affects Chamilo Chamilo Lms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-52475?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-52475 have an EU (EUVD) identifier?

Yes. CVE-2025-52475 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208176.

When was CVE-2025-52475 published?

CVE-2025-52475 was published on 2026-03-02 and last updated on 2026-06-17.

CVE-2025-52475

CVE-2025-52475 is a medium-severity vulnerability in Chamilo Chamilo Lms with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 5.1
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-208176
Weakness: CWE-79
Affected product: Chamilo Chamilo Lms
Published: 2026-03-02
Last modified: 2026-06-17

Description

Chamilo is a learning management system. Prior to version 1.11.30, there is a reflected cross-site scripting (XSS) vulnerability in the admin/user_list.php endpoint. The keyword_inactive parameter is not properly sanitized, allowing attackers to inject malicious JavaScript through a crafted URL. This issue has been patched in version 1.11.30.

Frequently asked questions

What is CVE-2025-52475?: Chamilo is a learning management system. Prior to version 1.11.30, there is a reflected cross-site scripting (XSS) vulnerability in the admin/user_list.php endpoint. The keyword_inactive parameter is not properly sanitized, allowing attackers to inject malicious JavaScript through a crafted URL. This issue has been patched in version 1.11.30.
How severe is CVE-2025-52475?: CVE-2025-52475 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-52475 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-52475?: CVE-2025-52475 affects Chamilo Chamilo Lms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-52475?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-52475 have an EU (EUVD) identifier?: Yes. CVE-2025-52475 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208176.
When was CVE-2025-52475 published?: CVE-2025-52475 was published on 2026-03-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*

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