{"id":"CVE-2026-63156","published":"2026-10-13T21:17:40.243","lastModified":"2026-10-15T15:52:40.503","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.","cvssScore":6.1,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cwes":["CWE-79"],"vendors":[],"products":[],"references":[{"url":"https://github.com/xech/agora-project/releases/tag/26.10","tags":[]},{"url":"https://www.agora-project.net/","tags":[]},{"url":"https://www.vulncheck.com/advisories/omnispace-agora-project-reflected-xss-via-visiourl-parameter","tags":[]}],"exploitRefs":[{"url":"https://github.com/xech/agora-project/releases/tag/26.10","tags":[]}],"hasPoc":true,"ai":null}