CVE-2025-59839 Star Citizen EmbedVideo Extension Stored XSS through wikitext caused by usage of non-reserved data attributes

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...