{"cve":"CVE-2016-4567","nvd":{"published":"2016-05-22T01:59:31.230","modified":"2026-06-17T00:47:48.070","status":"Modified","description":"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.\"","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["http://www.openwall.com/lists/oss-security/2016/05/07/2","http://www.securitytracker.com/id/1035818","https://codex.wordpress.org/Version_4.5.2","https://core.trac.wordpress.org/changeset/37371","https://gist.github.com/cure53/df34ea68c26441f3ae98f821ba1feb9c"],"products":["mediaelementjs:mediaelement.js","wordpress:wordpress"],"source":"nvd","synced_at":"2026-10-19T20:38:51.654415212+00:00"},"epss":{"cve":"CVE-2016-4567","score":0.07351,"percentile":0.94403,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-277w-qpxr-2549","url":"https://osv.dev/vulnerability/GHSA-277w-qpxr-2549","summary":"MediaElement Vulnerable to Reflected XSS ","modified":"2024-04-25T21:57:34.247548Z","packages":[{"ecosystem":"npm","name":"mediaelement","purl":"pkg:npm/mediaelement","ranges":["<2.11.1"],"fixed":["2.11.1"]},{"ecosystem":"Packagist","name":"contao-components/mediaelement","purl":"pkg:composer/contao-components/mediaelement","ranges":[">=2.14.2 <2.21.1"],"fixed":["2.21.1"]},{"ecosystem":"Packagist","name":"contao/core","purl":"pkg:composer/contao/core","ranges":[">=3.0.0 <3.5.15"],"fixed":["3.5.15"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}