CRITICALVulnerability

CVE-2026-73042

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.

Properties

severity
CRITICAL
score
9
cve_id
CVE-2026-73042
vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
published_at
2026-08-15T22:16:54.030
last_modified
2026-08-26T16:57:52.167

Related Entities (2)

DESCRIBED_BY (1)

[Source]NVD

HAS_WEAKNESS (1)

[Weakness]Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Explore deeper with Ninja Signal's threat intelligence graph

CVE-2026-73042 — Ninja Signal Threat Intelligence | Ninja Signal