{"id":11476,"date":"2025-08-14T07:27:50","date_gmt":"2025-08-14T07:27:50","guid":{"rendered":"http:\/\/localhost\/?p=11476"},"modified":"2025-08-14T07:27:50","modified_gmt":"2025-08-14T07:27:50","slug":"freshrss-is-vulnerable-to-rce-attacks-by-authenticated-admin","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=11476","title":{"rendered":"FreshRSS is vulnerable to RCE attacks by authenticated admin_CVE-2025-54593"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;FreshRSS is a free, self-hostable RSS aggregator. In versions 1.26.1 and below, an authenticated administrator user can execute arbitrary code on the FreshRSS server by modifying the update URL to one they control, and gain code execution after running an update. After successfully executing code, user data including hashed passwords can be exfiltrated, the instance can be defaced when file permissions allow. Malicious code can be inserted into the instance to steal plaintext passwords, among others. 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In versions 1.26.1 and below, an authenticated administrator user can execute arbitrary code on the FreshRSS server by&#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":[6,8,39,12,15,13,7,11,5],"class_list":["post-11476","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-72","tag-exploit","tag-high","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>FreshRSS is vulnerable to RCE attacks by authenticated admin_CVE-2025-54593 - 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=11476\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FreshRSS is vulnerable to RCE attacks by authenticated admin_CVE-2025-54593 - zero redgem\" \/>\n<meta property=\"og:description\" content=\"{&#8220;lastseen&#8221;:&#8221;&#8221;,&#8221;description&#8221;:&#8221;FreshRSS is a free, self-hostable RSS aggregator. 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