Stored Cross-Site Scripting (XSS) in Dashboards in Guardian/CMC before 25.4.0
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Active
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
A Stored Cross-Site Scripting vulnerability was discovered in the Dashboards functionality due to improper validation of an input parameter. An authenticated low-privilege user can craft a malicious dashboard containing a JavaScript payload and share it with victim users, or a victim can be socially engineered to import a malicious dashboard template. When the victim views or imports the dashboard, 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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Nozomi Networks | Guardian | before 25.4.0 | 25.4.0 | Patch available | CNA |
| Nozomi Networks | CMC | before 25.4.0 | 25.4.0 | Patch available | CNA |
- Guardian VendorNozomi Networks Affected before 25.4.0 Fixed in 25.4.0 Patch available CNA
- CMC VendorNozomi Networks Affected before 25.4.0 Fixed in 25.4.0 Patch available CNA
Remediation
- Fix · CNA Guardian (Nozomi Networks) Fixed in 25.4.0
- Fix · CNA CMC (Nozomi Networks) Fixed in 25.4.0
Timeline
- 2026-10-02 Threatist record created from CVE-2025-40890
- 2026-10-03 Alias added: GHSA-jgq4-7gr6-r8rv
References
More Nozomi Networks vulnerabilities
- TI-2022-00470 Authenticated RCE on project configuration import in Guardian/CMC before 22.0.0 CVSS 4.0HIGH 8.6
- TI-2026-24526 DoS through oversized audit log entries in Guardian/CMC before 26.2.0 CVSS 4.0HIGH 8.7
- TI-2023-15926 DoS on IDS parsing of malformed asset fields in Guardian/CMC >= 22.6.0 before 22.6.3 and 23.1.0 CVSS 4.0HIGH 8.2
- TI-2023-13657 SQL Injection on IDS parsing of malformed asset fields in Guardian/CMC >= 22.6.0 before 22.6.3 and 23.1.0 CVSS 4.0CRITICAL 9.2
- TI-2024-00196 DoS on IDS parsing of malformed Radius packets in Guardian before 23.4.1 CVSS 4.0HIGH 8.2
- TI-2021-08402 Authenticated command injection when changing date settings or hostname in Guardian/CMC before 20.0.7.4 CVSS 4.0HIGH 8.6
Sources
- CVE-2025-40890 · CVE Program
- CVE-2025-40890 · NVD
- FIRST EPSS
- GHSA-jgq4-7gr6-r8rv · GitHub Advisory Database · CC BY 4.0
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