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NVD Vulnerability Details :
CVE-2026-65605
Deferred
More InfoOfficial Page
Source-disclosure@vulncheck.com
View Known Exploited Vulnerability (KEV) details
Published At-23 Jul, 2026 | 12:18
Updated At-23 Jul, 2026 | 16:17

SiYuan before v3.7.2 contains a stored cross-site scripting vulnerability in Attribute View (database) cell rendering. A Template column value is rendered as HTML via text/template without auto-escaping, and EscapeHTML is only applied when HasUnclosedHtmlTag returns true; because balanced self-closing tags such as <img> are skipped by that check, a payload like <img src=x onerror=...> is stored unescaped and later inserted into the page via innerHTML, executing when the database is viewed. Because the desktop renderer runs with nodeIntegration enabled, the injected script can reach require and escalate to arbitrary command execution.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.09.4CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Secondary3.19.6CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
N/A
Type: Secondary
Version: 4.0
Base score: 9.4
Base severity: CRITICAL
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 3.1
Base score: 9.6
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-79Secondarydisclosure@vulncheck.com
CWE ID: CWE-79
Type: Secondary
Source: disclosure@vulncheck.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/siyuan-note/siyuan/commit/41f2861c87575ff5ac4b50a0520b1a4fe55b4a70disclosure@vulncheck.com
N/A
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-pw5c-qhf3-jhwhdisclosure@vulncheck.com
N/A
https://www.vulncheck.com/advisories/siyuan-before-stored-xss-to-rce-via-attribute-viewdisclosure@vulncheck.com
N/A
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-pw5c-qhf3-jhwh134c704f-9b21-4f2e-91b3-4a467353bcc0
N/A
Hyperlink: https://github.com/siyuan-note/siyuan/commit/41f2861c87575ff5ac4b50a0520b1a4fe55b4a70
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://github.com/siyuan-note/siyuan/security/advisories/GHSA-pw5c-qhf3-jhwh
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://www.vulncheck.com/advisories/siyuan-before-stored-xss-to-rce-via-attribute-view
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://github.com/siyuan-note/siyuan/security/advisories/GHSA-pw5c-qhf3-jhwh
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource: N/A
Change History
0Changes found

Details not found