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TI-2026-29209 Aliases CVE-2026-40457GHSA-3vrh-xvg4-68rm

Reflected XSS in LMS

Priority LOW 11CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Active
Attack complexity
Low
Attack requirements
Present
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

A Reflected Cross-Site Scripting (XSS) vulnerability exists in LMS (LAN Management System) before commit 9c5651b in the "dbrecover.php" and "netremap.php" modules where unsanitized GET parameters are directly embedded into HTML output. This allows an attacker to inject arbitrary JavaScript when an authenticated user clicks a crafted link, provided the required conditions (such as a network defined in the system) are met.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00318 24th percentileScored 2026-11-07
Fix Fixed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

No affected products listed by the sources yet.

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-40457
  2. 2026-10-03 Alias added: GHSA-3vrh-xvg4-68rm

References

Patch 1

Advisory 1

Other 1

  • TI-2007-03220 PHP remote file inclusion vulnerability in lib/language.php in LAN Management System… CVSS 2.0HIGH 7.5
  • TI-2026-29208 OS Command Injection in LMS CVSS 4.0HIGH 8.6
  • TI-2026-29207 SQL Injection in LMS CVSS 4.0HIGH 8.6
  • TI-2018-15933 lms version <= LMS_011123 contains a Local File Disclosure vulnerability in File reading… CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences