{"id":"CVE-2016-4566","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-4566","generatedAt":"2026-10-27T23:19:48.464Z","title":"Cross-site scripting (XSS) vulnerability in plupload.flash.swf in Plupload before 2.1.9, as used in WordPress before 4.5.2, allows remote attackers to inject arbitrary web script or HTML via a Same-Origin Method Execution (SOME) attack.","description":"Cross-site scripting (XSS) vulnerability in plupload.flash.swf in Plupload before 2.1.9, as used in WordPress before 4.5.2, allows remote attackers to inject arbitrary web script or HTML via a Same-Origin Method Execution (SOME) attack.","published":"2016-05-22T01:59:30.000Z","lastModified":"2026-06-17T00:47:48.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","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"},"cwe":["CWE-79"],"affected":["wordpress/wordpress","plupload/plupload"],"epss":{"score":0.05995,"percentile":0.9327,"date":"2026-10-26","history":[{"date":"2026-09-21","score":0.08206,"percentile":0.94715},{"date":"2026-09-22","score":0.05995,"percentile":0.92992}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (6.00%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://www.openwall.com/lists/oss-security/2016/05/07/2","source":"cve@mitre.org"},{"url":"http://www.plupload.com/punbb/viewtopic.php?pid=28690","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id/1035818","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://codex.wordpress.org/Version_4.5.2","tags":["Patch"],"source":"cve@mitre.org"},{"url":"https://core.trac.wordpress.org/changeset/37382/","tags":["Patch"],"source":"cve@mitre.org"},{"url":"https://gist.github.com/cure53/09a81530a44f6b8173f545accc9ed07e","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://wordpress.org/news/2016/05/wordpress-4-5-2/","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://wpvulndb.com/vulnerabilities/8489","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://www.openwall.com/lists/oss-security/2016/05/07/2","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.plupload.com/punbb/viewtopic.php?pid=28690","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1035818","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://codex.wordpress.org/Version_4.5.2","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://core.trac.wordpress.org/changeset/37382/","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://gist.github.com/cure53/09a81530a44f6b8173f545accc9ed07e","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wordpress.org/news/2016/05/wordpress-4-5-2/","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wpvulndb.com/vulnerabilities/8489","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-4566","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}