{"id":"CVE-2026-117538","revision":"a6a5b6fc4d5c47a5a4c288d03fb4e555","records":[{"revision":"a6a5b6fc4d5c47a5a4c288d03fb4e555","observedAt":"2026-10-27T12:09:21.929+00:00","statement":{"source":"cve-program","id":"CVE-2026-117538","aliases":[],"title":"REDAXO before 5.21.0 Reflected XSS via Packages API function Parameter","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.","state":0,"publishedAt":"2026-10-27T10:59:32.772+00:00","modifiedAt":"2026-10-27T10:59:32.772+00:00","affected":[{"ecosystem":"Vendor product","name":"core","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"redaxo\",\n                    \"product\": \"core\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"5.21.0\"\n                        },\n                        {\n                            \"version\": \"5.21.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","score":2.1,"severity":"LOW"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L","score":4.1,"severity":"MEDIUM"}],"references":["https://github.com/redaxo/core/security/advisories/GHSA-xq4j-g85q-wf97","https://www.vulncheck.com/advisories/redaxo-before-5.21.0-reflected-xss-via-packages-api-function-parameter"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-117538","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-117538","identifiers":["CVE-2026-117538"]},"retained":false,"historicalAffected":[]}],"coverage":[]}