CVE-2025-8260

EUVD-2025-22853

28.07.2025, 06:15

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.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	3.1 LOW	NETWORK	HIGH	LOW	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Base Score

CVSS 3.x

EPSS Score

Percentile: 14%

Affected Products (NVD)

Vendor	Product	Version
vaelsys	vaelsys	4.1.0

𝑥

= Vulnerable software versions

Known Exploits!

https://github.com/waiwai24/0101/blob/main/CVEs/Vaelsys/Unauthorized_Access_Leads_to_Sensitive_Information_Leakage_in_Vaelsys_V4_Platform.md

Common Weakness Enumeration

CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
The use of a broken or risky cryptographic algorithm is an unnecessary risk that may result in the exposure of sensitive information.

References

https://github.com/waiwai24/0101/blob/main/CVEs/Vaelsys/Unauthorized_Access_Leads_to_Sensitive_Information_Leakage_in_Vaelsys_V4_Platform.md

https://vaelsys.github.io/security-advisory/advisories/VSEC_V4_2025_07_0002.html

https://vuldb.com/submit/616922

https://vuldb.com/vuln/317848

https://vuldb.com/vuln/317848/cti