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Vulnerabilities

Vulnerability · CVE-2025-8260

A security flaw has been discovered in Vaelsys VaelsysV4 up to 5.1.0/5.4.0.

Published Jul 28, 2025 · catalog updated Apr 15, 2026 · Vaelsys VaelsysV4

Check this week

CVE-2025-8260 is not in CISA KEV. FIRST estimates a 26.00% chance of exploitation in the next 30 days. Check whether you run Vaelsys VaelsysV4.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low2.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
26.00%
Remediation
Advisory link
Affected products
vendor Vaelsys VaelsysV4 5.0

A security flaw has been discovered in Vaelsys VaelsysV4 up to 5.1.0/5.4.0. This affects an unknown part of the file /grid/vgrid_server.php of the component Web interface. Performing a manipulation of the argument xajaxargs results in use of weak hash. The attack is possible to be carried out remotely. The complexity of an attack is rather high. It is indicated that the exploitability is difficult. The exploit has been released to the public and may be used for attacks. Upgrading to version 5.1.1 and 5.4.1 is able to mitigate this issue. Upgrading the affected component is recommended.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Vaelsys VaelsysV4 5.05.0

How to fix CVE-2025-8260

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-8260 is not in CISA KEV. FIRST estimates a 26.00% chance of exploitation in the next 30 days. Check whether you run Vaelsys VaelsysV4.

Which versions are affected?

Compare what you have installed with Vaelsys VaelsysV4 5.0 5.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 26.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 28, 2025 · EUVD

    Detected

    A security flaw has been discovered in Vaelsys VaelsysV4 up to 5.1.0/5.4.0. This affects an unknown part of the file /grid/vgrid_server.php of the component Web interface. Performing a manipulation of the argument xajaxargs results in use of weak hash. The attack is possible to be carried out remotely. The complexity of an attack is rather high. It is indicated that the exploitability is difficult

  2. Apr 15, 2026 · EUVD

    Updated

    A security flaw has been discovered in Vaelsys VaelsysV4 up to 5.1.0/5.4.0. This affects an unknown part of the file /grid/vgrid_server.php of the component Web interface. Performing a manipulation of the argument xajaxargs results in use of weak hash. The attack is possible to be carried out remotely. The complexity of an attack is rather high. It is indicated that the exploitability is difficult

Sources

  • CVE.orgVulnerability recordCVE-2025-8260

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-22853

    A security flaw has been discovered in Vaelsys VaelsysV4 up to 5.1.0/5.4.0. This affects an unknown part of the file /grid/vgrid_server.php of the component Web interface. Performing a manipulation of the argument xajaxargs results in use of weak hash. The attack is possible to b

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Apr 15, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.