{“lastseen”:””,”description”:”DeepChat is a smart assistant uses artificial intelligence. In 0.5.0 and earlier, there is a Stored Cross-Site Scripting (XSS) vulnerability in the Mermaid diagram renderer allows an attacker to execute arbitrary JavaScript within the application context. By leveraging the exposed Electron IPC bridge, this XSS can be escalated to Remote Code Execution (RCE) by registering and starting a malicious MCP (Model Context Protocol) server.”,”published”:”2025-12-03T18:34:44.019Z”,”modified”:”2025-12-03T19:10:17.039Z”,”type”:”cve”,”title”:”DeepChat Cross-Site Scripting(XSS) escalate to Remote Code Execution(RCE)”,”source”:”GitHub_M”,”references”:”https:\/\/github.com\/ThinkInAIXYZ\/deepchat\/security\/advisories\/GHSA-v8v5-c872-mf8r\\nhttps:\/\/github.com\/ThinkInAIXYZ\/deepchat\/commit\/371ca7b42e3685aee6e3f0c61e85277ed1ff4db7″,”id”:”CVE-2025-66222″,”bulletinFamily”:””,”cwe”:[“CWE-94″],”cvelist”:null,”sourceData”:”ThinkInAIXYZ deepchat \\u003c 0.5.0″,”sourceHref”:””,”cvss”:{“score”:9.7,”severity”:”CRITICAL”,”vector”:”CVSS:3.1\/AV:N\/AC:L\/PR:N\/UI:R\/S:C\/C:H\/I:H\/A:H”,”version”:”3.1″},”cvss2″:{},”cvss3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””,”cvssV3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””}},”href”:””,”category_name”:”CVE”,”post_link”:””,”product”:”deepchat”,”version”:”\\u003c 0.5.0″,”vendor”:”ThinkInAIXYZ”,”ai_description”:”Stored Cross-Site Scripting (XSS) vulnerability in the Mermaid diagram renderer that can be escalated to Remote Code Execution (RCE)”,”ai_severity”:”Critical”,”ai_vendor”:”ThinkInAIXYZ”,”ai_product”:”DeepChat”,”ai_version”:”0.5.0 and earlier”,”ai_score”:9.7}<\/p>\n","protected":false},"excerpt":{"rendered":"
{“lastseen”:””,”description”:”DeepChat is a smart assistant uses artificial intelligence. In 0.5.0 and earlier, there is a Stored Cross-Site Scripting (XSS) vulnerability in the Mermaid diagram renderer…<\/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":[9,6,8,167,12,13,7,11,5],"class_list":["post-28517","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-critical","tag-cve","tag-cvss","tag-cvss-97","tag-exploit","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"\n