🛡️ CVE-2026-40457

⚪ Unknown ✅ No Known Exploit CWE-79 NVD
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Weakness class

CVE-2026-40457 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2026-40457 is recorded against 1 package.

  • unknown

Timeline and source

Published on 18 June 2026 and last revised on 22 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

cert.pl
github.com
lms.org.pl

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE CWE-79
Public Exploit ✅ No
Source NVD
Published 2026-06-18
Updated 2026-08-11
Modified 2026-06-22
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown

Similar Threats

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