{"id":"UBUNTU-CVE-2018-5776","details":"WordPress before 4.9.2 has XSS in the Flash fallback files in MediaElement (under wp-includes/js/mediaelement).","modified":"2026-01-20T17:05:41.042882Z","published":"2018-01-18T22:29:00Z","upstream":["CVE-2018-5776"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-5776"},{"type":"REPORT","url":"https://wordpress.org/news/2018/01/wordpress-4-9-2-security-and-maintenance-release/"},{"type":"REPORT","url":"https://github.com/WordPress/WordPress/commit/3fe9cb61ee71fcfadb5e002399296fcc1198d850"},{"type":"REPORT","url":"https://codex.wordpress.org/Version_4.9.2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-5776"}],"affected":[{"package":{"name":"wordpress","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/wordpress@4.4.2+dfsg-1ubuntu1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3+dfsg-1","4.3.1+dfsg-1","4.4+dfsg-1","4.4.1+dfsg-1","4.4.2+dfsg-1","4.4.2+dfsg-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.4.2+dfsg-1ubuntu1","binary_name":"wordpress"},{"binary_version":"4.4.2+dfsg-1ubuntu1","binary_name":"wordpress-l10n"},{"binary_version":"4.4.2+dfsg-1ubuntu1","binary_name":"wordpress-theme-twentyfifteen"},{"binary_version":"4.4.2+dfsg-1ubuntu1","binary_name":"wordpress-theme-twentyfourteen"},{"binary_version":"4.4.2+dfsg-1ubuntu1","binary_name":"wordpress-theme-twentysixteen"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-5776.json"}},{"package":{"name":"wordpress","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/wordpress@4.9.5+dfsg1-1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.8.2+dfsg-2","4.8.3+dfsg-1","4.9.1+dfsg-1","4.9.2+dfsg-1","4.9.4+dfsg-1","4.9.5+dfsg1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.9.5+dfsg1-1","binary_name":"wordpress"},{"binary_version":"4.9.5+dfsg1-1","binary_name":"wordpress-l10n"},{"binary_version":"4.9.5+dfsg1-1","binary_name":"wordpress-theme-twentyfifteen"},{"binary_version":"4.9.5+dfsg1-1","binary_name":"wordpress-theme-twentyseventeen"},{"binary_version":"4.9.5+dfsg1-1","binary_name":"wordpress-theme-twentysixteen"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-5776.json"}},{"package":{"name":"wordpress","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/wordpress@5.3.2+dfsg1-1ubuntu1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.2.2+dfsg1-1","5.2.4+dfsg1-1","5.3.2+dfsg1-1","5.3.2+dfsg1-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"5.3.2+dfsg1-1ubuntu1","binary_name":"wordpress"},{"binary_version":"5.3.2+dfsg1-1ubuntu1","binary_name":"wordpress-l10n"},{"binary_version":"5.3.2+dfsg1-1ubuntu1","binary_name":"wordpress-theme-twentynineteen"},{"binary_version":"5.3.2+dfsg1-1ubuntu1","binary_name":"wordpress-theme-twentyseventeen"},{"binary_version":"5.3.2+dfsg1-1ubuntu1","binary_name":"wordpress-theme-twentysixteen"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-5776.json"}},{"package":{"name":"wordpress","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/wordpress@5.8.3+dfsg1-1ubuntu1.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.7.1+dfsg1-2ubuntu1","5.8.1+dfsg1-2ubuntu1","5.8.2+dfsg1-1ubuntu1","5.8.3+dfsg1-1ubuntu1","5.8.3+dfsg1-1ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_version":"5.8.3+dfsg1-1ubuntu1.1","binary_name":"wordpress"},{"binary_version":"5.8.3+dfsg1-1ubuntu1.1","binary_name":"wordpress-l10n"},{"binary_version":"5.8.3+dfsg1-1ubuntu1.1","binary_name":"wordpress-theme-twentynineteen"},{"binary_version":"5.8.3+dfsg1-1ubuntu1.1","binary_name":"wordpress-theme-twentytwenty"},{"binary_version":"5.8.3+dfsg1-1ubuntu1.1","binary_name":"wordpress-theme-twentytwentyone"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-5776.json"}},{"package":{"name":"wordpress","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/wordpress@6.4.3+dfsg1-1ubuntu1?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2+dfsg1-1ubuntu1","6.4.3+dfsg1-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"6.4.3+dfsg1-1ubuntu1","binary_name":"wordpress"},{"binary_version":"6.4.3+dfsg1-1ubuntu1","binary_name":"wordpress-l10n"},{"binary_version":"6.4.3+dfsg1-1ubuntu1","binary_name":"wordpress-theme-twentytwentyfour"},{"binary_version":"6.4.3+dfsg1-1ubuntu1","binary_name":"wordpress-theme-twentytwentythree"},{"binary_version":"6.4.3+dfsg1-1ubuntu1","binary_name":"wordpress-theme-twentytwentytwo"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-5776.json"}},{"package":{"name":"wordpress","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/wordpress@6.7.2+dfsg1-1.1ubuntu1?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.7.2+dfsg1-1.1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"6.7.2+dfsg1-1.1ubuntu1","binary_name":"wordpress"},{"binary_version":"6.7.2+dfsg1-1.1ubuntu1","binary_name":"wordpress-l10n"},{"binary_version":"6.7.2+dfsg1-1.1ubuntu1","binary_name":"wordpress-theme-twentytwentyfive"},{"binary_version":"6.7.2+dfsg1-1.1ubuntu1","binary_name":"wordpress-theme-twentytwentyfour"},{"binary_version":"6.7.2+dfsg1-1.1ubuntu1","binary_name":"wordpress-theme-twentytwentythree"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-5776.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}