{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-40126","assignerOrgId":"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6","state":"PUBLISHED","assignerShortName":"CERT-PL","dateReserved":"2026-04-09T10:15:00.973Z","datePublished":"2026-08-17T12:03:38.685Z","dateUpdated":"2026-08-17T14:45:46.006Z"},"containers":{"cna":{"providerMetadata":{"orgId":"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6","shortName":"CERT-PL","dateUpdated":"2026-08-17T12:03:38.685Z"},"title":"DOM-based Cross-Site Scripting in OutSystems Service Center","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-588","descriptions":[{"lang":"en","value":"CAPEC-588 DOM-Based XSS"}]}],"affected":[{"vendor":"OutSystems","product":"Service Center","versions":[{"status":"affected","version":"0","lessThan":"11.41.2","versionType":"semver"}],"defaultStatus":"unknown"}],"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:outsystems:service_center:*:*:*:*:*:*:*:*","versionStartIncluding":"0","versionEndExcluding":"11.41.2"}]}]}],"descriptions":[{"lang":"en","value":"OutSystems Service Center is vulnerable to a DOM-based Cross-Site Scripting (XSS) attack that can be exploited by a low-privileged attacker via the upload of a file with a malicious filename containing JavaScript code. The vulnerability exists in all locations where a file can be attached and prepared for upload to the server.\n\nThis issue was fixed in OutSystems Service Center version 11.41.2","supportingMedia":[{"type":"text/html","base64":false,"value":"<div>OutSystems Service Center is vulnerable to a DOM-based Cross-Site Scripting (XSS) attack that can be exploited by a low-privileged attacker via the upload of a file with a malicious filename containing JavaScript code. The vulnerability exists in all locations where a file can be attached and prepared for upload to the server.<br><br>This issue was fixed in OutSystems Service Center version 11.41.2<br></div>"}]}],"references":[{"url":"https://cert.pl/en/posts/2026/08/CVE-2026-40126/","tags":["third-party-advisory"]},{"url":"https://www.outsystems.com/downloads/ScreenDetails?ReleaseId=22953&MajorVersion=11&ComponentName=LifeTime","tags":["product"]},{"url":"https://success.outsystems.com/support/security/vulnerabilities/vulnerability_rpm_6669/","tags":["vendor-advisory"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"ACTIVE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","subIntegrityImpact":"LOW","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":4.8,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"}}],"credits":[{"lang":"en","value":"Zbigniew Piotrak (AFINE Team)","type":"finder"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-17T14:45:32.922394Z","id":"CVE-2026-40126","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":"2026-08-17T14:45:46.006Z"}}]}}