{"id":68337,"date":"2025-08-19T00:31:38","date_gmt":"2025-08-18T21:01:38","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2025-55300-komari-websocket-origin-bypass-remote-code-execution-vulnerability\/"},"modified":"2025-08-19T00:31:38","modified_gmt":"2025-08-18T21:01:38","slug":"cve-2025-55300-komari-websocket-origin-bypass-remote-code-execution-vulnerability","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2025-55300-komari-websocket-origin-bypass-remote-code-execution-vulnerability\/","title":{"rendered":"CVE-2025-55300 &#8211; Komari WebSocket Origin Bypass Remote Code Execution Vulnerability"},"content":{"rendered":"<p><strong>CVE ID : <\/strong>CVE-2025-55300<br \/>\n<br \/>\n<strong>Published : <\/strong> Aug. 18, 2025, 6:15 p.m. | 1\u00a0hour, 56\u00a0minutes ago<br \/>\n<br \/>\n<strong>Description : <\/strong>Komari is a lightweight, self-hosted server monitoring tool designed to provide a simple and efficient solution for monitoring server performance. Prior to 1.0.4-fix1, WebSocket upgrader has disabled origin checking, enabling Cross-Site WebSocket Hijacking (CSWSH) attacks against authenticated users. Any third party website can send requests to the terminal websocket endpoint with browser&#8217;s cookies, resulting in remote code execution. This vulnerability is fixed in 1.0.4-fix1.<br \/>\n<br \/>\n<strong>Severity:<\/strong> 8.6 | HIGH<br \/>\n<br \/>\nVisit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID : CVE-2025-55300 Published : Aug. 18, 2025, 6:15 p.m. | 1\u00a0hour, 56\u00a0minutes ago Description : Komari is a lightweight, self-hosted server monitoring tool designed to provide a simple and efficient solution for monitoring server performance. Prior to 1.0.4-fix1, WebSocket upgrader has disabled origin checking, enabling Cross-Site WebSocket Hijacking (CSWSH) attacks against authenticated users. &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-68337","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/68337","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=68337"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/68337\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=68337"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=68337"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=68337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}