{"id":"CVE-2026-109327","summary":"Admidio 4.0.12 through 4.3.17 and 5.0.0 before 5.0.15 Reflected XSS via system/redirect.php","details":"Admidio 4.0.12 through 4.3.17 and 5.0.0 before 5.0.15 contains a reflected cross-site scripting vulnerability in system/redirect.php that allows unauthenticated attackers to inject JavaScript via the url GET parameter, due to an incomplete fix for CVE-2021-43810. Attackers can craft a javascript: URL containing a decoy http:// segment that passes validation and executes script in the Admidio origin when victims click the redirect link.","aliases":["GHSA-vxfg-x6vc-7w3w"],"modified":"2026-10-13T02:46:37.977322338Z","published":"2026-10-12T16:05:17.976Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109327.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-79"]},"references":[{"type":"ADVISORY","url":"https://github.com/Admidio/admidio/security/advisories/GHSA-vxfg-x6vc-7w3w"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109327.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109327"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/admidio-4.0.12-through-4.3.17-and-5.0.0-before-5.0.15-reflected-xss-via-system-redirect-php"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/admidio/admidio","events":[{"introduced":"470f534768f47e3bb506ec3c66a9ddecc9a41cf5"},{"last_affected":"fde81ae869e88a3cf42201f2548d57df785a37cb"},{"introduced":"59b4888d2be8acb9801f3024258663f7a787518c"},{"fixed":"929684e27d40eadf18c93e6725807d208d54b2ce"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"4.0.12"},{"last_affected":"4.3.17"},{"introduced":"5.0.0"},{"fixed":"5.0.15"}]}}],"versions":["v5.0.14","v5.0.13","v5.0.12","v5.0.10","v5.0.9","v5.0.8","v5.0.7","v5.0.6","v5.0.5","v5.0.4","v34","v5.0.3","v5.0.2","v5.0.1","v5.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109327.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}