{"id":"CVE-2026-117537","title":"REDAXO before 5.21.0 Reflected XSS via Metainfo API type Parameter","summary":"REDAXO before 5.21.0 contains a reflected cross-site scripting vulnerability that allows authenticated attackers to inject scripts via the type parameter of the metainfo_default_fields_create API. Attackers can craft a link with a valid …","severity":"medium","cvss":4.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L","cvssSource":"cna","cwe":["CWE-79"],"vendor":"redaxo","product":"core","affected":["core < 5.21.0"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-27T13:42:34.335410Z"},"published":"2026-10-27","updated":"2026-10-27","sourceUpdated":"2026-10-27T14:12:21.902Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-117537","references":[{"url":"https://github.com/redaxo/core/security/advisories/GHSA-m662-8jrj-cw6v","label":"GitHub Security Advisory (GHSA-m662-8jrj-cw6v)"},{"url":"https://www.vulncheck.com/advisories/redaxo-before-5.21.0-reflected-xss-via-metainfo-api-type-parameter","label":"VulnCheck Advisory: REDAXO before 5.21.0 Reflected XSS via Metainfo API type Parameter"}],"tags":["cve.org"],"ingestedAt":"2026-10-27T16:11:59.440Z","slug":"CVE-2026-117537","body":"## Overview\n\nREDAXO before 5.21.0 contains a reflected cross-site scripting vulnerability that allows authenticated attackers to inject scripts via the type parameter of the metainfo_default_fields_create API. Attackers can craft a link with a valid CSRF token and HTML payload that rex_view::message() renders unescaped, executing scripts in a victim's backend session.\n\n## Affected\n\n- `core < 5.21.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":23,"depthScoreParts":{"impact":22.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}