CVE-2025-8261
Vaelsys VaelsysV4 User Creation vgrid_server.php improper authorization
- State
- Published
- Severity
- 6.9 Medium
- Published
- Jul 28, 2025
- Updated
- Apr 15, 2026
- Reserved
- Jul 26, 2025
Description
A weakness has been identified in Vaelsys VaelsysV4 4.1.0. This vulnerability affects unknown code of the file /grid/vgrid_server.php of the component User Creation Handler. Executing a manipulation can lead to improper authorization. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The real existence of this vulnerability is still doubted at the moment. The vendor explains: "Based on Vaelsys' analysis, the reported behavior does not allow actions beyond those already permitted to authenticated administrative users, and no change in system configuration or operational practices is necessary."
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | 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 | VulDB |
| 3.1 | 7.3 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 7.3 High | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 7.5 High | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
VaelsysV4Vaelsys |
|
References
- VDB-317849 | Vaelsys VaelsysV4 User Creation vgrid_server.php improper authorizationvdb-entrytechnical-description
- VDB-317849 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #616924 | Vaelsys Vaelsys V4 v4.1.0 Unauthorized User Creation Vulnerabilitythird-party-advisory
- https://github.com/waiwai24/0101/blob/main/CVEs/Vaelsys/Unauthorized_User_Creation_Vulnerability_Exists_in_Vaelsys_V4_Platform.mdexploit
- https://vaelsys.github.io/security-advisory/advisories/VSEC_V4_2025_07_0003.htmlrelated
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