{"id":80869,"date":"2026-06-21T16:57:03","date_gmt":"2026-06-21T13:27:03","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-56395-siyuan-remote-code-execution-via-malicious-bazaar-package-metadata-and-readme\/"},"modified":"2026-06-21T16:57:03","modified_gmt":"2026-06-21T13:27:03","slug":"cve-2026-56395-siyuan-remote-code-execution-via-malicious-bazaar-package-metadata-and-readme","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-56395-siyuan-remote-code-execution-via-malicious-bazaar-package-metadata-and-readme\/","title":{"rendered":"CVE-2026-56395 &#8211; SiYuan &#8211; Remote Code Execution via Malicious Bazaar Package Metadata and README"},"content":{"rendered":"<p>CVE ID :CVE-2026-56395<\/p>\n<p>  Published : June 21, 2026, 1:27 p.m. | 2\u00a0hours, 16\u00a0minutes ago<\/p>\n<p>  Description :SiYuan before v3.6.1 fails to sanitize package metadata and README content in the Bazaar marketplace, allowing malicious package authors to inject arbitrary HTML and JavaScript. Attackers can achieve remote code execution on any user browsing the Bazaar by embedding XSS payloads in package displayName, description, or README fields, exploiting Electron&#8217;s nodeIntegration setting to execute OS commands.<\/p>\n<p>  Severity: 9.6 | CRITICAL<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-56395 Published : June 21, 2026, 1:27 p.m. | 2\u00a0hours, 16\u00a0minutes ago Description :SiYuan before v3.6.1 fails to sanitize package metadata and README content in the Bazaar marketplace, allowing malicious package authors to inject arbitrary HTML and JavaScript. Attackers can achieve remote code execution on any user browsing the Bazaar by embedding XSS &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-80869","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80869","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=80869"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80869\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=80869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=80869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=80869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}