{"id":"CVE-2026-63171","aliases":[],"title":"Omnispace Agora Project < 26.10.0 Stored XSS via Category Description","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-2026-63171"}],"remediation":[],"description":"Omnispace Agora Project before 26.10.0 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious script by submitting a crafted forum category description containing a double-quote character that breaks out of an HTML input value attribute. Attackers can exploit the HTMLPurifier configuration that preserves double-quotes to escape the attribute context and execute arbitrary script in the browser of users viewing the forum category.","severity":"medium","score":5.1,"published":"2026-10-13T20:04:07.456Z","modified":"2026-10-27T10:14:25.290Z","withdrawn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-stored-xss-via-category-description"],"sources":[{"name":"CVE","id":"CVE-2026-63171","modified":"2026-10-27T10:14:25.290Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-63171"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/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:L/UI:R/S:C/C:L/I:L/A:N","score":5.4}],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-29T03:10:35.950Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}