{"schema":"threatline.record/2","record":{"id":"CVE-2026-63156","aliases":[],"summary":"Omnispace Agora Project < 26.10.0 Reflected XSS via visioUrl Parameter","details":"Omnispace Agora Project before 26.10.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious HTML attributes by manipulating the visioUrl parameter, which was not routed through the URL-sanitizing branch of the parameter filter and was urldecoded after filtering. Attackers can craft a malicious URL containing the visioUrl parameter with an attribute breakout payload to execute arbitrary JavaScript in the victim's browser pre-authentication, with the issue fixed in version 26.10.0 via changes to app/Common/Req.php.","categories":["Unclassified"],"product":"Agora Project","vendor":"Omnispace","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-63156","source_modified_at":"2026-10-14T15:56:07.112Z","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-2026-63156","source_modified_at":"2026-10-14T15:56:07.112Z","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":5.1,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00303,"percentile":0.21839,"score_date":"2026-10-23"},"published_at":"2026-10-13T20:01:07.123Z","modified_at":"2026-10-14T15:56:07.112Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-63156","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-14T15:56:07.112Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-63156","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-reflected-xss-via-visiourl-parameter","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":"yes","technical_impact":"partial","assessed_at":"2026-10-14T14:53:23.496838Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-14T15:56:07.112Z","content_hash":"794beb8dc3d77b94fd01e4f007f260a6a90bc82bf9abc70e4798aace83bbde4b"}}