{"id":366,"date":"2010-08-23T17:19:28","date_gmt":"2010-08-24T00:19:28","guid":{"rendered":"http:\/\/blog.mozilla.org\/security\/?p=366"},"modified":"2010-08-23T17:19:28","modified_gmt":"2010-08-24T00:19:28","slug":"recent-changes-to-mitigate-cross-site-data-theft-via-css","status":"publish","type":"post","link":"https:\/\/blog.mozilla.org\/security\/2010\/08\/23\/recent-changes-to-mitigate-cross-site-data-theft-via-css\/","title":{"rendered":"Recent changes to mitigate cross-site data theft via CSS"},"content":{"rendered":"<p>Zack Weinberg did a <a href=\"http:\/\/www.owlfolio.org\/htmletc\/css-data-theft\/\">great blog post<\/a> explaining the recent changes in Firefox 3.5.11 and 3.6.7 to mitigate cross-site data theft using CSS.  This is a mitigation for an issue originally &#8220;<a href=\"http:\/\/scarybeastsecurity.blogspot.com\/2009\/12\/generic-cross-browser-cross-domain.html\">rediscovered<\/a>&#8221; by Chris Evans.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Zack Weinberg did a great blog post explaining the recent changes in Firefox 3.5.11 and 3.6.7 to mitigate cross-site data theft using CSS. This is a mitigation for an issue &hellip; <a class=\"go\" href=\"https:\/\/blog.mozilla.org\/security\/2010\/08\/23\/recent-changes-to-mitigate-cross-site-data-theft-via-css\/\">Read more<\/a><\/p>\n","protected":false},"author":115,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"coauthors":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Recent changes to mitigate cross-site data theft via CSS - Mozilla Security Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.mozilla.org\/security\/2010\/08\/23\/recent-changes-to-mitigate-cross-site-data-theft-via-css\/\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Lucas Adamski\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.mozilla.org\/security\/2010\/08\/23\/recent-changes-to-mitigate-cross-site-data-theft-via-css\/\",\"url\":\"https:\/\/blog.mozilla.org\/security\/2010\/08\/23\/recent-changes-to-mitigate-cross-site-data-theft-via-css\/\",\"name\":\"Recent changes to mitigate cross-site data theft via CSS - 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