CVE-2025-8259 MEDIUM

CVE-2025-8259: Vaelsys VaelsysV4 Web interface vgrid_server.php execute_DataObjectProc os command injection

Vendor Vaelsys
Product VaelsysV4
Weakness CWE-78
Published July 28, 2025
Last update April 15, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was identified in Vaelsys VaelsysV4 up to 5.1.0/5.4.0. Affected by this issue is the function execute_DataObjectProc of the file /grid/vgrid_server.php of the component Web interface. Such manipulation of the argument xajaxargs leads to os command injection. The attack can be executed remotely. The exploit is publicly available and might be used. Upgrading to version 5.1.1 and 5.4.1 can resolve this issue. It is suggested to upgrade the affected component.

Key dates

02Disclosure timeline

July 28, 2025 CVE published
April 15, 2026 Record updated