CVE-2026-40457

LOW EPSS 23.6%
Published Jun 18, 20261w ago · Modified Jun 22, 20261w ago
2.1 CVSS 4.0
Low
Find Similar
Published Jun 18, 2026 1w ago
Last Modified Jun 22, 2026 1w ago

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.

CVSS Details

Base Score
2.1
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction A
Scope X

Threat Intelligence

EPSS Exploit Probability
23.6% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

References 3

  • cert.pl https://cert.pl/posts/2026/06/CVE-2026-40455
  • github.com https://github.com/chilek/lms/commit/9c5651b39bfd086cc34fc9a78ddaa8c0815af114
  • lms.org.pl https://lms.org.pl/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.