{"id":"CVE-2026-116900","published":"2026-10-27T11:17:33.080","lastModified":"2026-10-27T15:02:47.683","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.","cvssScore":5.4,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","cwes":["CWE-79"],"vendors":[],"products":[],"references":[{"url":"https://github.com/redaxo/core/security/advisories/GHSA-5wmj-5x79-rr87","tags":[]},{"url":"https://www.vulncheck.com/advisories/redaxo-before-5.21.4-stored-xss-via-media-and-link-input-widgets","tags":[]}],"exploitRefs":[{"url":"https://github.com/redaxo/core/security/advisories/GHSA-5wmj-5x79-rr87","tags":[]}],"hasPoc":true,"ai":null}