{"id":"CVE-2026-63156","aliases":[],"title":"Omnispace Agora Project < 26.10.0 Reflected XSS via visioUrl Parameter","titleSource":"VulnCheck","descriptionSource":"VulnCheck","products":[{"vendor":"Omnispace","name":"Agora Project","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"26.10.0","versionType":"semver"}],"defaultStatus":"unaffected","source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-63156"}],"remediation":[],"description":"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.","severity":"medium","score":5.1,"published":"2026-10-13T20:01:07.123Z","modified":"2026-10-27T10:14:17.731Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://github.com/xech/agora-project/releases/tag/26.10","https://www.agora-project.net/","https://www.vulncheck.com/advisories/omnispace-agora-project-reflected-xss-via-visiourl-parameter"],"sources":[{"name":"CVE","id":"CVE-2026-63156","modified":"2026-10-27T10:14:17.731Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-63156"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","score":5.1},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1}],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T15:40:31.878Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}