{"id":"CVE-2026-63171","title":"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 chara…","summary":"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 chara…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"published":"2026-10-13","updated":"2026-10-13","sourceUpdated":"2026-10-13T21:17:41.027","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-63171","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-stored-xss-via-category-description","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"ingestedAt":"2026-10-13T21:58:14.183Z","slug":"CVE-2026-63171","body":"## Overview\n\nOmnispace 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}