{"schema":"threatline.record/2","record":{"id":"CVE-2026-63169","aliases":[],"summary":"Omnispace Agora Project < 26.10.0 Stored XSS via Messenger Iframe","details":"Omnispace Agora Project before 26.10.0 contains a stored cross-site scripting vulnerability that allows authenticated users to post messages containing attacker-controlled iframes through the messenger's HTMLPurifier SafeIframe branch. Attackers can craft a message with a malicious iframe that is stored and automatically rendered to other channel members, enabling zero-click drive-by downloads and framed JavaScript execution in recipients' browsers.","categories":["Unclassified"],"product":"Agora Project","vendor":"Omnispace","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-63169","source_modified_at":"2026-10-17T00:48:17.840Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"Agora Project","vendor":"Omnispace","versions":[{"status":"affected","version":"0","versionType":"semver","lessThan":"26.10.0"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-63169","source_modified_at":"2026-10-17T00:48:17.840Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"Agora Project","ecosystem":null},"version":"26.10.0","basis":"first unaffected version stated in the CVE record"}],"cvss":5.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00285,"percentile":0.19979,"score_date":"2026-10-23"},"published_at":"2026-10-13T20:03:22.167Z","modified_at":"2026-10-17T00:48:17.840Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-63169","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-17T00:48:17.840Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-63169","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/xech/agora-project/releases/tag/26.10","tags":["release-notes","patch"]},{"source":"CVE List","url":"https://www.agora-project.net/","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/omnispace-agora-project-stored-xss-via-messenger-iframe","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-17T00:48:09.231159Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-17T00:48:17.840Z","content_hash":"9431e62b70910d05260edd29d11c3d90e327519f98cbd4e75978033150508868"}}