CRITICALVulnerability
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NVD CRITICAL: CVE-2026-73044 — SiYuan versions before v3.7.4 fail to validate or escape table column width valu...

·Source: NIST NVD

Updated:

Executive Summary

SiYuan versions before v3.7.4 fail to validate or escape table column width values, allowing stored cross-site scripting injection into style attributes. Attackers can inject malicious payloads through the setAttrViewColWidth API that break out of style attributes and inject event handlers on every table cell, executing arbitrary code in the Electron renderer with Node integration enabled.

Analysis

SiYuan versions before v3.7.4 fail to validate or escape table column width values, allowing stored cross-site scripting injection into style attributes. Attackers can inject malicious payloads through the setAttrViewColWidth API that break out of style attributes and inject event handlers on every table cell, executing arbitrary code in the Electron renderer with Node integration enabled. CVSS Score: 9. Published: 2026-08-15T22:16:54.330.

Indicators of Compromise (1)

CVE (1)
CVE-2026-73044
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Aug 15, 2026. Verified by: NIST.

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