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CVE-2025-40899

HIGH CVSS 4.0: 7.1
Updated Apr 17, 2026
Payload
Parameter Value
CVSS 7.1 (HIGH)
Type CWE-79 (Cross-Site Scripting (XSS))
Vendor Payload
Public PoC No

A Stored Cross-Site Scripting vulnerability was discovered in the Assets and Nodes functionality due to improper validation of an input parameter. An authenticated user with custom fields privileges can define a malicious custom field containing a JavaScript payload. When the victim views the Assets or Nodes pages, the XSS executes in their browser context, allowing the attacker to perform unauthorized actions as the victim, such as modify application data, disrupt application availability, and access limited sensitive information.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
Passive
Minimal interaction

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0