#2931639 ActionView sanitize helper bypass with math-related tags
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原文摘录
摘自原文（706 字符中的一小部分）
Rails-html-sanitizer, which Rails AtionView also uses, fails to sanitize input when the style tag is allowed, leading to XSS. A vulnerable example would have been as follows;
原文中的代码
<%= sanitize @comment.body, tags: ["math", "mtext", "table", "style", "mglyph"] %> <%# or %> <%= sanitize @comment.body, tags: ["math", "mtext", "table", "style", "malignmark"] %>
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