【中文导读】该 CVE 涉及跨站脚本（高危风险）。具体受影响产品、版本和修复方案以 NVD/厂商公告为准。 【原始描述】The EmbedVideo Extension is a MediaWiki extension which adds a parser function called #ev and various parser tags for embedding video clips from various video sharing services. In versions 4.0.0 and prior, the EmbedVideo extension allows adding arbitrary attributes to an HTML element, allowing for stored XSS through wikitext. This issue has been patched via commit 4e075d3.