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Vulnerabilities CVE-2026-73044

CVE-2026-73044

Critical
Open
TLP:CLEAR

SiYuan before v3.7.4 Stored Cross-Site Scripting via Column Width

AI Analysis

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Description

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.

Details

CVSS Score
9.4
EPSS Score
0.25%

16.3th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Confidence
90%
Published
Aug 15, 2026
Last Modified
Aug 15, 2026
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