{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-63197","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-07-15T22:13:00.722Z","datePublished":"2026-11-03T18:26:21.224Z","dateUpdated":"2026-11-03T22:40:46.296Z"},"containers":{"cna":{"title":"traQ: XSS in the User Uploaded File Retrieval API","problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.3,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/traPtitech/traQ/security/advisories/GHSA-p74g-f95m-7fx7","tags":["x_refsource_CONFIRM"],"url":"https://github.com/traPtitech/traQ/security/advisories/GHSA-p74g-f95m-7fx7"},{"name":"https://github.com/traPtitech/traQ/commit/3db29e7771661f6418d88d186d8ff7817f5d6b6e","tags":["x_refsource_MISC"],"url":"https://github.com/traPtitech/traQ/commit/3db29e7771661f6418d88d186d8ff7817f5d6b6e"},{"name":"https://github.com/traPtitech/traQ/releases/tag/v3.28.3","tags":["x_refsource_MISC"],"url":"https://github.com/traPtitech/traQ/releases/tag/v3.28.3"}],"affected":[{"vendor":"traPtitech","product":"traQ","versions":[{"version":"< 3.28.3","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-11-03T18:26:21.224Z"},"descriptions":[{"lang":"en","value":"traQ is a messenger application built for Digital Creators Club traP. Prior to 3.28.3, instances configured with TRAQ_STORAGE_TYPE=local can return user-uploaded SVG or HTML content from the /files/{fileId} retrieval endpoint for direct browser rendering. An attacker with file-upload capability can provide crafted active content and induce another user to open its file URL, causing attacker-controlled JavaScript to execute in the victim's browser. This issue is fixed in version 3.28.3."}],"source":{"advisory":"GHSA-p74g-f95m-7fx7","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-11-03T22:36:37.509432Z","id":"CVE-2026-63197","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-11-03T22:40:46.296Z"}}]}}