{"id":"CVE-2026-117535","revision":null,"records":[{"revision":"99c7bc87e4f6424bbfc0e06e29274c22","observedAt":"2026-10-27T12:09:21.929+00:00","statement":{"source":"cve-program","id":"CVE-2026-117535","aliases":[],"title":"REDAXO before 5.21.3 Reflected XSS via opener_link in Media Pool","description":"REDAXO before 5.21.3 contains a reflected cross-site scripting vulnerability in the backend media pool detail page, where the opener_link parameter is rendered without HTML escaping. Unauthenticated attackers can lure logged-in backend users with media permissions into clicking a crafted link. The injected script can then read the CSRF token and perform actions with the victim's permissions, including code execution via template or module edits when the victim is an administrator.","state":0,"publishedAt":"2026-10-27T10:59:30.773+00:00","modifiedAt":"2026-10-27T10:59:30.773+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\": \"5.21.3\"\n                        },\n                        {\n                            \"version\": \"5.21.3\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","score":5.1,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1,"severity":"MEDIUM"}],"references":["https://github.com/redaxo/core/security/advisories/GHSA-5293-gg47-5xmh","https://www.vulncheck.com/advisories/redaxo-before-5.21.3-reflected-xss-via-opener-link-in-media-pool"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-117535","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-117535","identifiers":["CVE-2026-117535"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EPSS backfill.","generation":"2026-11-01T07:04:54.9851191+00:00","complete":true,"records":1095,"lastAttemptAt":"2026-11-01T07:04:54.9851191+00:00","lastSuccessAt":"2026-11-01T07:04:55.1534437+00:00","error":null,"lastVerifiedAt":"2026-11-01T07:04:55.1534441+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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