{"id":"CVE-2026-117538","published":"2026-10-27T11:17:34.493","lastModified":"2026-10-27T15:02:47.683","description":"REDAXO before 5.21.0 contains a reflected cross-site scripting vulnerability in the backend packages API, where the function parameter is concatenated into an error message rendered without HTML escaping. Attackers can lure an authenticated backend user to a crafted link containing a valid CSRF token, executing JavaScript that performs same-origin actions or reads DOM data.","cvssScore":4.1,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L","cwes":["CWE-79"],"vendors":[],"products":[],"references":[{"url":"https://github.com/redaxo/core/security/advisories/GHSA-xq4j-g85q-wf97","tags":[]},{"url":"https://www.vulncheck.com/advisories/redaxo-before-5.21.0-reflected-xss-via-packages-api-function-parameter","tags":[]}],"exploitRefs":[{"url":"https://github.com/redaxo/core/security/advisories/GHSA-xq4j-g85q-wf97","tags":[]}],"hasPoc":true,"ai":null}