{"id":"CVE-2026-73042","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-73042","summary":"SiYuan before v3.7.4 fails to properly escape database menu metadata in HTML interpolation, allowing stored values to execute script when users open group, view, or field-edit menus.…","details":"SiYuan before v3.7.4 fails to properly escape database menu metadata in HTML interpolation, allowing stored values to execute script when users open group, view, or field-edit menus. Attackers can inject markup through field descriptions or names that close containing elements and execute arbitrary code via event handlers, reaching Node built-ins due to Electron's insecure configuration.","published":"2026-08-15T22:16:54.030","modified":"2026-08-15T22:16:54.030","cvss":{"score":9,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-gcm3-qcq3-72rv"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/siyuan-before-remote-code-execution-via-menu-metadata"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-15T22:16:54.030"}}