{"id":"CVE-2026-116900","aliases":[],"title":"REDAXO before 5.21.4 Stored XSS via Media and Link Input Widgets","titleSource":"VulnCheck","descriptionSource":"VulnCheck","products":[{"vendor":"redaxo","name":"core","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"5.21.4","versionType":"semver"},{"version":"5.21.4","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-116900"}],"remediation":[],"description":"REDAXO before 5.21.4 contains a stored cross-site scripting vulnerability that allows content editors to inject HTML by storing unescaped values rendered by media, medialist, link and linklist widgets. Attackers can submit crafted REX_INPUT_MEDIA or REX_INPUT_LINK values that break out of the value attribute, executing script in administrators' backend sessions to hijack accounts.","severity":"medium","score":5.1,"published":"2026-10-27T10:59:28.149Z","modified":"2026-10-27T10:59:28.149Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://github.com/redaxo/core/security/advisories/GHSA-5wmj-5x79-rr87","https://www.vulncheck.com/advisories/redaxo-before-5.21.4-stored-xss-via-media-and-link-input-widgets"],"sources":[{"name":"CVE","id":"CVE-2026-116900","modified":"2026-10-27T10:59:28.149Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-116900"}],"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":"2026-10-28T21:00:33.596Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}