SEPTEMBER 17, 2026
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Case File

CVE-2026-73050

CRITICAL · CVSS 9 EPSS 0.25% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-15 · Last synced 2026-09-14

CyberRota Analysis

AI-Generated

SiYuan versions prior to 3.7.4 are vulnerable due to inadequate validation of the color field in attribute-view select options, enabling stored cross-site scripting (XSS) attacks through unescaped render sites. This flaw allows attackers to inject malicious JavaScript, which executes when users interact with affected databases. Organizations using SiYuan should prioritize patching to mitigate the risk of XSS exploitation and potential data compromise.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-73050
Severity
CRITICAL
CVSS
9
EPSS
0.25%
Java

Original NVD Description

SiYuan versions before v3.7.4 fail to validate or escape the color field in attribute-view select options, allowing stored cross-site scripting through eight unescaped render sites. Attackers can inject event-handler attributes by including quotation marks in the color value, executing arbitrary JavaScript when viewing databases containing the malicious select field.