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Legora before 2026-08-14 contains a cross-site scripting vulnerability that allows attackers to achieve arbitrary JavaScript execution in a victim's browser by embedding a Mermaid block prefixed with…

高危 CVSS 7.7
CVECVE-2026-74234
首次发现2026-08-17 21:15 UTC
披露时间2026-08-17 20:16 UTC
最后更新2026-08-17 21:15 UTC
通道状态auto

摘要

Legora before 2026-08-14 contains a cross-site scripting vulnerability that allows attackers to achieve arbitrary JavaScript execution in a victim's browser by embedding a Mermaid block prefixed with a gray-matter JavaScript front-matter directive, causing the front-matter parser to invoke eval() before any SVG sanitization occurs. Attackers can exploit this flaw through influenced Mermaid diagram content to execute arbitrary JavaScript in the user's browser context, with elevated impact on Wor…

中文摘要建设中,暂以英文摘要呈现(DR-003 v2)。

深度研判

该漏洞尚未生成深度研判报告(DR-003 v2 AI pipeline 建设中)。

数据来源

  • NVD DATABASE

原始链接

时间线

  1. nvd_ingest NVD