{"id":"CVE-2026-80180","title":"Stored XSS via markdown HTML processing in Apache Allura.\n\n\n\nThis issue affects Apache Allura: from through 1.20.0.\n\n\n\nUsers are recommended to upgrade to version 1.21.0, which fixes the issue.","summary":"Stored XSS via markdown HTML processing in Apache Allura.\n\n\n\nThis issue affects Apache Allura: from through 1.20.0.\n\n\n\nUsers are recommended to upgrade to version 1.21.0, which fixes the issue.","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":"2026-09-04","updated":"2026-09-08","sourceUpdated":"2026-09-08T14:00:01.800","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-80180","references":[{"url":"https://lists.apache.org/thread/rjo2hjhp76qhl9f3br8jq909mohvzkpq","label":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/09/03/3","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00197,"epssPercentile":0.09726,"ingestedAt":"2026-09-08T15:33:26.959Z","slug":"CVE-2026-80180","body":"## Overview\n\nStored XSS via markdown HTML processing in Apache Allura.\n\n\n\nThis issue affects Apache Allura: from through 1.20.0.\n\n\n\nUsers are recommended to upgrade to version 1.21.0, which fixes the issue.\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":[]}