{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-50040","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","state":"PUBLISHED","assignerShortName":"icscert","dateReserved":"2026-06-22T20:13:36.524Z","datePublished":"2026-06-30T22:27:37.001Z","dateUpdated":"2026-07-01T15:35:58.586Z"},"containers":{"cna":{"providerMetadata":{"orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","shortName":"icscert","dateUpdated":"2026-06-30T22:27:37.001Z"},"title":"Cross-site Scripting in StoneFly Storage Concentrator","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-79","description":"CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')","type":"CWE"}]}],"affected":[{"vendor":"StoneFly","product":"Storage Concentrator","versions":[{"status":"affected","version":"0","lessThan":"8.0.4.22","versionType":"custom"},{"status":"unaffected","version":"8.0.4.29"}],"defaultStatus":"unaffected"},{"vendor":"StoneFly","product":"Storage Concentrator Virtual Machine","versions":[{"status":"affected","version":"0","lessThan":"8.0.4.22","versionType":"custom"},{"status":"unaffected","version":"8.0.4.29"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"Storage Concentrator (SC & SCVM) is vulnerable to reflected cross-site scripting due to unsanitized content being echoed back in 404 error pages. An attacker can craft a malicious URL that, when visited by an authenticated user, causes arbitrary script content to execute within the victim's browser session in the context of the application. This could be leveraged to steal session cookies, redirect users, or perform unauthorized actions on behalf of the victim.","supportingMedia":[{"type":"text/html","base64":false,"value":"Storage Concentrator (SC &amp; SCVM) is vulnerable to reflected cross-site scripting due to unsanitized content being echoed back in 404 error pages. An attacker can craft a malicious URL that, when visited by an authenticated user, causes arbitrary script content to execute within the victim's browser session in the context of the application. This could be leveraged to steal session cookies, redirect users, or perform unauthorized actions on behalf of the victim.&nbsp;&nbsp;<br>"}]}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-181-06"},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-181-06.json"},{"url":"https://stonefly.com/contact-us/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"LOW","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":5.1,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:N/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":6.1,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}}],"solutions":[{"lang":"en","value":"StoneFly recommends that users upgrade to Storage Concentrator version 8.0.4.29 or later to remediate these vulnerabilities.","supportingMedia":[{"type":"text/html","base64":false,"value":"StoneFly recommends that users upgrade to Storage Concentrator version 8.0.4.29 or later to remediate these vulnerabilities."}]},{"lang":"en","value":"For additional questions or support, users may contact StoneFly at  https://stonefly.com/contact-us/ .","supportingMedia":[{"type":"text/html","base64":false,"value":"<span>For additional questions or support, users may contact StoneFly at <a href=\"https://stonefly.com/contact-us/\">https://stonefly.com/contact-us/</a>.</span>"}]}],"credits":[{"lang":"en","value":"David Yesland of Rhino Security Labs reported this vulnerability to CISA.","type":"reporter"}],"source":{"advisory":"ICSA-26-181-06","discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-01T15:35:51.069641Z","id":"CVE-2026-50040","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-01T15:35:58.586Z"}}]}}