{"id":4290,"date":"2016-05-06T19:17:08","date_gmt":"2016-05-06T19:17:08","guid":{"rendered":"https:\/\/wordpress.org\/news\/?p=4290"},"modified":"2021-06-04T12:00:56","modified_gmt":"2021-06-04T12:00:56","slug":"wordpress-4-5-2","status":"publish","type":"post","link":"https:\/\/wordpress.org\/news\/2016\/05\/wordpress-4-5-2\/","title":{"rendered":"WordPress 4.5.2 Security Release"},"content":{"rendered":"<p>WordPress 4.5.2 is now available. This is a <strong>security release<\/strong> for all previous versions and we strongly encourage you to update your sites immediately.<\/p>\n<p>WordPress versions 4.5.1 and earlier are affected by a <abbr title=\"Same-Origin Method Execution\">SOME<\/abbr> vulnerability through Plupload, the third-party library WordPress uses for uploading files. WordPress versions 4.2 through 4.5.1 are vulnerable to reflected XSS using specially crafted URIs through MediaElement.js, the third-party library used for media players. MediaElement.js and Plupload have also released updates fixing these issues.<\/p>\n<p>Both issues were analyzed and reported by Mario Heiderich, Masato Kinugawa, and Filedescriptor from <a href=\"https:\/\/cure53.de\/\">Cure53<\/a>. Thanks to the team for practicing <a href=\"https:\/\/make.wordpress.org\/core\/handbook\/testing\/reporting-security-vulnerabilities\/\">responsible disclosure<\/a>, and to the Plupload and MediaElement.js teams for working closely with us to co\u00f6rdinate and fix these issues.<\/p>\n<p><a href=\"https:\/\/wordpress.org\/download\/\">Download WordPress 4.5.2<\/a> or venture over to Dashboard \u2192 Updates and simply click \u201cUpdate Now.\u201d Sites that support automatic background updates are already beginning to update to WordPress 4.5.2.<\/p>\n<p>Additionally, there are multiple widely publicized vulnerabilities in the ImageMagick image processing library, which is used by a number of hosts and is supported in WordPress. For our current response to these issues, see <a href=\"https:\/\/make.wordpress.org\/core\/2016\/05\/06\/imagemagick-vulnerability-information\/\">this post on the core development blog<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>WordPress 4.5.2 is now available. This is a security release for all previous versions and we strongly encourage you to update your sites immediately. WordPress versions 4.5.1 and earlier are affected by a SOME vulnerability through Plupload, the third-party library WordPress uses for uploading files. WordPress versions 4.2 through 4.5.1 are vulnerable to reflected XSS [&hellip;]<\/p>\n","protected":false},"author":4198497,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"episode_type":"","audio_file":"","cover_image":"","cover_image_id":"","duration":"","filesize":"","date_recorded":"","explicit":"","block":"","filesize_raw":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[14,15],"tags":[181],"class_list":["post-4290","post","type-post","status-publish","format-standard","hentry","category-releases","category-security","tag-4-5"],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pZhYe-17c","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/news\/wp-json\/wp\/v2\/posts\/4290","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.org\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wordpress.org\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wordpress.org\/news\/wp-json\/wp\/v2\/users\/4198497"}],"replies":[{"embeddable":true,"href":"https:\/\/wordpress.org\/news\/wp-json\/wp\/v2\/comments?post=4290"}],"version-history":[{"count":9,"href":"https:\/\/wordpress.org\/news\/wp-json\/wp\/v2\/posts\/4290\/revisions"}],"predecessor-version":[{"id":4307,"href":"https:\/\/wordpress.org\/news\/wp-json\/wp\/v2\/posts\/4290\/revisions\/4307"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/news\/wp-json\/wp\/v2\/media?parent=4290"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wordpress.org\/news\/wp-json\/wp\/v2\/categories?post=4290"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wordpress.org\/news\/wp-json\/wp\/v2\/tags?post=4290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}