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PatchSiren cyber security CVE debrief

CVE-2025-66447 chamilo CVE debrief

Chamilo LMS has a vulnerability allowing malicious redirects via the /login page's redirect parameter from version 1.11.0 to 2.0-beta.1. This issue is fixed in version 2.0-beta.2. The vulnerability allows attackers to redirect users to malicious sites, potentially leading to phishing attacks or unauthorized access attempts. Defenders should assess exposure and apply the patch to prevent potential security breaches. The fix in version 2.0-beta.2 addresses this redirect vulnerability, enhancing the security of the login process.

Vendor
chamilo
Product
chamilo-lms
CVSS
NONE
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-10
Original CVE updated
2026-09-30
Advisory published
2026-04-10
Advisory updated
2026-09-30

Who should care

Defenders and administrators of Chamilo LMS installations, particularly those using versions between 1.11.0 and 2.0-beta.1, should assess exposure and apply the patch.

Why it matters

CVE-2025-66447 is a redirect vulnerability in Chamilo LMS versions 1.11.0 to 2.0-beta.1. Defenders should verify exposure, apply the patch in version 2.0-beta.2, and monitor for potential malicious activity.

  • Potential for phishing attacks through malicious redirects.
  • Possible disruption of login processes.
  • Risk of unauthorized access attempts.
  • Need for verification of current version and application of patch.

Technical summary

The Chamilo LMS has a vulnerability in versions from 1.11.0 to 2.0-beta.1 that allows for malicious redirects through the /login page's redirect parameter. This issue has been fixed in version 2.0-beta.2. The vulnerability could lead to phishing attacks or unauthorized access attempts if exploited. Defenders should prioritize verifying exposure and applying the patch for Chamilo LMS versions between 1.11.0 and 2.0-beta.1 to mitigate potential risks.

Defensive priority

Defenders should prioritize verifying exposure and applying the patch for Chamilo LMS versions between 1.11.0 and 2.0-beta.1.

Recommended defensive actions

  • Verify Chamilo LMS version and check if it's within the vulnerable range (1.11.0 to 2.0-beta.1).
  • Apply the patch by updating to version 2.0-beta.2 or later.
  • Monitor login page activity for potential malicious redirects.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, its impact, and the fix in version 2.0-beta.2. The vulnerability is confirmed in Chamilo LMS versions 1.11.0 to 2.0-beta.1. Defenders should verify exposure by checking their current version and apply the patch by updating to version 2.0-beta.2 or later. Evidence from the CVE Program and NVD supports the existence and impact of this vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-66447 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-66447

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-66447 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-66447

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.