{"id":"CVE-2025-40890","state":"PUBLISHED","title":"Stored Cross-Site Scripting (XSS) in Dashboards in Guardian/CMC before 25.4.0","description":"A Stored Cross-Site Scripting vulnerability was discovered in the Dashboards functionality due to improper validation of an input parameter.\n\n\n\nAn 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.","publishedAt":"2025-11-25T15:30:34.205Z","updatedAt":"2025-11-26T15:01:59.169Z","severity":{"score":5.8,"label":"Medium","version":"4.0","vector":"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","source":"Nozomi"},"assigner":"Nozomi","products":["Nozomi Networks Guardian","Nozomi Networks CMC"],"affected":[{"vendor":"Nozomi Networks","product":"Guardian","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"25.4.0","versionType":"semver"}]},{"vendor":"Nozomi Networks","product":"CMC","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"25.4.0","versionType":"semver"}]}],"references":["https://security.nozominetworks.com/NN-2025:11-01"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/40xxx/CVE-2025-40890.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40890","state":"PUBLISHED","datePublished":"2025-11-25T15:30:34.205Z","dateUpdated":"2025-11-26T15:01:59.169Z","assignerShortName":"Nozomi","assignerOrgId":"bec8025f-a851-46e5-b3a3-058e6b0aa23c","dateReserved":"2025-04-16T09:04:25.006Z"},"containers":{"cna":{"title":"Stored Cross-Site Scripting (XSS) in Dashboards in Guardian/CMC before 25.4.0","descriptions":[{"lang":"en","value":"A Stored Cross-Site Scripting vulnerability was discovered in the Dashboards functionality due to improper validation of an input parameter.\n\n\n\nAn 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."}],"affected":[{"vendor":"Nozomi Networks","product":"Guardian","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"25.4.0","versionType":"semver"}]},{"vendor":"Nozomi Networks","product":"CMC","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"25.4.0","versionType":"semver"}]}],"references":[{"url":"https://security.nozominetworks.com/NN-2025:11-01"}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.8,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"LOW","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"ACTIVE","valueDensity":"NOT_DEFINED","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]},{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.9,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Nozomi","orgId":"bec8025f-a851-46e5-b3a3-058e6b0aa23c","dateUpdated":"2025-11-26T15:01:59.169Z"},"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:*","versionEndExcluding":"25.4.0","versionStartIncluding":"0","vulnerable":true}],"negate":false,"operator":"OR"},{"cpeMatch":[{"criteria":"cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:*","versionEndExcluding":"25.4.0","versionStartIncluding":"0","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"OR"}],"credits":[{"lang":"en","type":"finder","value":"This issue was found by Humza Ahmad of ENCS during a VAPT testing session commissioned by one of our customers."}],"datePublic":"2025-11-25T08:00:00.000Z","impacts":[{"capecId":"CAPEC-592","descriptions":[{"lang":"en","value":"CAPEC-592 Stored XSS"}]}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<div><div>Upgrade to v25.4.0 or later.</div></div>"}],"value":"Upgrade to v25.4.0 or later."}],"source":{"discovery":"INTERNAL"},"workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Use internal firewall features to limit access to the web management interface.<br>"}],"value":"Use internal firewall features to limit access to the web management interface."},{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Review all accounts with access to it and delete unnecessary ones.<br>"}],"value":"Review all accounts with access to it and delete unnecessary ones."}],"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-11-25T15:43:21.598787Z","id":"CVE-2025-40890","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-11-25T15:43:47.305Z"}}]}}}