Stored Cross-Site Scripting (XSS) in Dashboards in Guardian/CMC before 25.4.0
Summary
| CVE | CVE-2025-40890 |
|---|---|
| State | PUBLISHED |
| Assigner | Nozomi |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2025-11-25 16:16:06 UTC |
| Updated | 2026-04-29 01:00:01 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v4.0 5.9 MEDIUM from [email protected]
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:A/VC:L/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 5.9 | MEDIUM | CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:A/VC:L/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/C... |
| 4.0 | CNA | CVSS | 5.8 | MEDIUM | CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:A/VC:L/VI:H/VA:H/SC:L/SI:L/SA:L |
| 3.1 | [email protected] | Secondary | 7.9 | HIGH | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:H |
| 3.1 | CNA | CVSS | 7.9 | HIGH | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:H |
CVSS v4.0 Breakdown
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:A/VC:L/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Nozomi Networks | Guardian | affected 25.4.0 semver | Not specified |
| CNA | Nozomi Networks | CMC | affected 25.4.0 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| security.nozominetworks.com/NN-2025:11-01 | [email protected] | security.nozominetworks.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: This issue was found by Humza Ahmad of ENCS during a VAPT testing session commissioned by one of our customers. (en)
Additional Advisory Data
Solutions
CNA: Upgrade to v25.4.0 or later.
Workarounds
CNA: Use internal firewall features to limit access to the web management interface.
CNA: Review all accounts with access to it and delete unnecessary ones.