{"id":"CVE-2026-63156","title":"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…","summary":"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…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"published":"2026-10-13","updated":"2026-10-13","sourceUpdated":"2026-10-13T21:17:40.243","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-63156","references":[{"url":"https://github.com/xech/agora-project/releases/tag/26.10","label":"disclosure@vulncheck.com"},{"url":"https://www.agora-project.net/","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/omnispace-agora-project-reflected-xss-via-visiourl-parameter","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"ingestedAt":"2026-10-13T21:58:14.182Z","slug":"CVE-2026-63156","body":"## Overview\n\nOmnispace 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}