{"id":32406,"date":"2025-12-21T21:48:06","date_gmt":"2025-12-21T21:48:06","guid":{"rendered":"http:\/\/localhost\/?p=32406"},"modified":"2025-12-21T21:48:06","modified_gmt":"2025-12-21T21:48:06","slug":"liweiyi-chestnutcms-filename-upload-filenameutilsgetextension-unrestricted-upload","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=32406","title":{"rendered":"liweiyi ChestnutCMS Filename upload FilenameUtils.getExtension unrestricted upload_CVE-2025-15009"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A flaw has been found in liweiyi ChestnutCMS up to 1.5.8. This vulnerability affects the function FilenameUtils.getExtension of the file \/dev-api\/common\/upload of the component Filename Handler. Executing manipulation of the argument File can lead to unrestricted upload. The attack may be launched remotely. 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This vulnerability affects the function FilenameUtils.getExtension of the file \/dev-api\/common\/upload of the component Filename&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,22,12,21,13,7,11,5],"class_list":["post-32406","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-53","tag-exploit","tag-medium","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>liweiyi ChestnutCMS Filename upload FilenameUtils.getExtension unrestricted upload_CVE-2025-15009 - zero redgem<\/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:\/\/zero.redgem.net\/?p=32406\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"liweiyi ChestnutCMS Filename upload FilenameUtils.getExtension unrestricted upload_CVE-2025-15009 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;A flaw has been found in liweiyi ChestnutCMS up to 1.5.8. 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