{"id":"CVE-2016-4567","aliases":["GHSA-277w-qpxr-2549"],"url":"https://o3.security/vulnerability/CVE-2016-4567","summary":"MediaElement Vulnerable to Reflected XSS ","details":"Cross-site scripting (XSS) vulnerability in flash/FlashMediaElement.as in MediaElement.js before 2.21.0, as used in WordPress before 4.5.2, allows remote attackers to inject arbitrary web script or HTML via an obfuscated form of the jsinitfunction parameter, as demonstrated by \"jsinitfunctio%gn.\"","published":"2016-05-22T01:59:31.230Z","modified":"2026-10-24T10:47:34.083617023Z","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":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"mediaelement","fixedVersion":"2.11.1"},{"ecosystem":"Packagist","name":"contao-components/mediaelement","fixedVersion":"2.21.1"},{"ecosystem":"Packagist","name":"contao/core","fixedVersion":"3.5.15"}],"fix":{"url":"https://github.com/johndyer/mediaelement/commit/34834eef8ac830b9145df169ec22016a4350f06e","label":"johndyer/mediaelement@34834ee"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2016/05/07/2"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1035818"},{"type":"ADVISORY","url":"https://gist.github.com/cure53/df34ea68c26441f3ae98f821ba1feb9c"},{"type":"ADVISORY","url":"https://wpvulndb.com/vulnerabilities/8488"},{"type":"FIX","url":"https://codex.wordpress.org/Version_4.5.2"},{"type":"FIX","url":"https://core.trac.wordpress.org/changeset/37371"},{"type":"FIX","url":"https://github.com/johndyer/mediaelement/blob/master/changelog.md"},{"type":"FIX","url":"https://github.com/johndyer/mediaelement/commit/34834eef8ac830b9145df169ec22016a4350f06e"},{"type":"FIX","url":"https://wordpress.org/news/2016/05/wordpress-4-5-2/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4567"},{"type":"WEB","url":"https://github.com/mediaelement/mediaelement/commit/34834eef8ac830b9145df169ec22016a4350f06e"},{"type":"WEB","url":"https://contao.org/en/news/contao-3_5_15.html"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/contao-components/mediaelement/CVE-2016-4567.yaml"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/contao/core/CVE-2016-4567.yaml"},{"type":"WEB","url":"https://github.com/mediaelement/mediaelement/blob/b992ccf5f0c04a207d98bbb0868420751a61ec90/changelog.md?plain=1#L1024"},{"type":"WEB","url":"https://github.com/mediaelement/mediaelement/blob/master/changelog.md"},{"type":"WEB","url":"https://web.archive.org/web/20170205142412/http://www.securitytracker.com/id/1035818"},{"type":"WEB","url":"https://wordpress.org/news/2016/05/wordpress-4-5-2"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:47:34.083617023Z"}}