{"id":"CVE-2016-9856","aliases":["GHSA-j8mx-x32r-5rf4"],"url":"https://o3.security/vulnerability/CVE-2016-9856","summary":"phpMyAdmin XSS Vulnerability","details":"An XSS issue was discovered in phpMyAdmin because of an improper fix for CVE-2016-2559 in PMASA-2016-10. This issue is resolved by using a copy of a hash to avoid a race condition. All 4.6.x versions (prior to 4.6.5), 4.4.x versions (prior to 4.4.15.9), and 4.0.x versions (prior to 4.0.10.18) are affected.","published":"2016-12-11T02:59:55.100Z","modified":"2026-07-08T12:53:39.492563Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":{"score":0.01467,"percentile":0.72451,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"phpmyadmin/phpmyadmin","fixedVersion":"4.6.5"},{"ecosystem":"Packagist","name":"phpmyadmin/phpmyadmin","fixedVersion":"4.4.15.9"},{"ecosystem":"Packagist","name":"phpmyadmin/phpmyadmin","fixedVersion":"4.0.10.18"}],"fix":null,"references":[{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/94530"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201701-32"},{"type":"FIX","url":"https://www.phpmyadmin.net/security/PMASA-2016-64"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-9856"},{"type":"WEB","url":"https://web.archive.org/web/20210123194716/http://www.securityfocus.com/bid/94530"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T12:53:39.492563Z"}}