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PatchSiren cyber security CVE debrief

CVE-2025-15437 LigeroSmart CVE debrief

A cross-site scripting vulnerability was found in LigeroSmart up to 6.1.24. The vulnerability affects an unknown part of the Environment Variable Handler component. The attack may be initiated remotely. Upgrading to version 6.1.26 and 6.3 is able to mitigate this issue. The vulnerability has a CVSS score of 2, indicating low severity. However, users should still take steps to upgrade to a patched version and monitor for potential attacks.

Vendor
LigeroSmart
Product
LigeroSmart
CVSS
LOW 2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-01-02
Original CVE updated
2026-07-25
Advisory published
2026-01-02
Advisory updated
2026-07-25

Who should care

Users of LigeroSmart up to 6.1.24 should be aware of this cross-site scripting vulnerability and take steps to upgrade to a patched version. The vulnerability has a CVSS score of 2, indicating low severity, but users should still take precautions to protect their systems. Security teams and operators should review the vulnerability details and plan for potential mitigations.

Technical summary

The vulnerability is caused by a manipulation of the argument REQUEST_URI in the Environment Variable Handler component of LigeroSmart up to 6.1.24. This cross-site scripting vulnerability allows remote attacks. The exploit has been made public and could be used. The patch 264ac5b2be5b3c673ebd8cb862e673f5d300d9a7 is provided to mitigate this issue. Users should apply the patch, review environment variable handler configurations, and monitor for suspicious activity to prevent potential attacks. Additionally, upgrading to version 6.1.26 or 6.3 can mitigate this issue. It is essential to verify the patch application and review compensating controls for exposed systems while remediation is scheduled and verified.

Defensive priority

Low priority due to CVSS score of 2 and limited exploitability. However, users should still take precautions to protect their systems.

Recommended defensive actions

  • Upgrade to version 6.1.26 or 6.3
  • Apply patch 264ac5b2be5b3c673ebd8cb862e673f5d300d9a7
  • Monitor for suspicious activity
  • Review and update environment variable handler configurations
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

Evidence is based on official CVE and NVD records, as well as vendor-provided information. However, details are limited, and further verification is recommended. The affected product LigeroSmart up to 6.1.24 uses an Environment Variable Handler that is vulnerable to cross-site scripting. The manipulation of the REQUEST_URI argument leads to the vulnerability. The patch 264ac5b2be5b3c673ebd8cb862e673f5d300d9a7 is provided to mitigate this issue. Users should verify the patch application and monitor for suspicious activity.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-15437 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-15437

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

  • CVE-2025-15437 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-15437

    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.