{"id":"CVE-2022-4699","aliases":["EUVD-2022-52011","GHSA-9p3x-2jg3-7xrp"],"status":"published","title":"MediaElement.js – HTML5 Video \u0026 Audio Player \u003c= 4.2.8 - Contributor+ Stored XSS via Shortcode","description":"The MediaElement.js WordPress plugin through 4.2.8 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high-privilege users such as admins.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00534,"percentile":0.4533,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-01-30T20:31:47Z","modified":"2026-10-28T02:30:44Z","products":[{"vendor":"mediaelementjs","product":"mediaelement.js"},{"vendor":"unknown","product":"mediaelement.js"}],"references":[{"url":"https://wpscan.com/vulnerability/e57f38d9-889a-4f82-b20d-3676ccf9c6f9","tags":["exploit","vdb-entry","technical-description","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4699","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-9p3x-2jg3-7xrp"},{"url":"https://wordpress.org/plugins","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/4xxx/CVE-2022-4699.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2022-4699","title":"MediaElement.js – HTML5 Video \u0026 Audio Player \u003c= 4.2.8 - 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