Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the getDynamicIcon endpoint when attacker-controlled input is embedded into SVG output without proper sanitization. An attacker can execute arbitrary JavaScript in the context of the web application by...

SiYuan: Unauthenticated Reflected XSS via SVG Injection in /api/icon/getDynamicIcon Endpoint

Summary An unauthenticated reflected XSS vulnerability exists in the dynamic icon API endpoint: - GET /api/icon/getDynamicIcon When type=8, attacker-controlled content is embedded into SVG output without escaping. Because the endpoint is unauthenticated and returns image/svg+xml, a crafted URL ca...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the getDynamicIcon endpoint when attacker-controlled input is embedded into SVG output without proper sanitization. An attacker can execute arbitrary JavaScript in the context of the web application by...

GHSA-6865-QJCF-286F SiYuan: Unauthenticated Reflected XSS via SVG Injection in /api/icon/getDynamicIcon Endpoint

Summary An unauthenticated reflected XSS vulnerability exists in the dynamic icon API endpoint: - GET /api/icon/getDynamicIcon When type=8, attacker-controlled content is embedded into SVG output without escaping. Because the endpoint is unauthenticated and returns image/svg+xml, a crafted URL ca...

PT-2026-23102

Name of the Vulnerable Software and Affected Versions: SiYuan versions prior to 3.5.9 Description: SiYuan, a personal knowledge management system, contains an unauthenticated reflected cross-site scripting XSS vulnerability in the dynamic icon API endpoint 'GET /api/icon/getDynamicIcon' when...

PT-2026-26178

Name of the Vulnerable Software and Affected Versions SiYuan versions 3.6.0 and earlier Description SiYuan, a personal knowledge management system, has an incomplete blocklist in its SanitizeSVG function. The function blocks 'data:text/html' and 'data:image/svg+xml' in 'href' attributes but fails...

SUSE CVE-2026-23847

SiYuan is a personal knowledge management system. Versions prior to 3.5.4 are vulnerable to reflected cross-site scripting in /api/icon/getDynamicIcon due to unsanitized SVG input. The endpoint generates SVG images for text icons type=8. The content query parameter is inserted directly into the S...

GO-2026-4343 SiYuan has a Reflected Cross-Site Scripting (XSS) via /api/icon/getDynamicIcon in github.com/siyuan-note/siyuan/kernel

SiYuan has a Reflected Cross-Site Scripting XSS via /api/icon/getDynamicIcon in github.com/siyuan-note/siyuan/kernel...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the getDynamicIcon function. An attacker can execute arbitrary JavaScript in the user's session context by injecting malicious SVG content into the content parameter, which is rendered without proper XML...

SiYuan has a Reflected Cross-Site Scripting (XSS) via /api/icon/getDynamicIcon

Summary Reflected XSS in /api/icon/getDynamicIcon due to unsanitized SVG input. Details The endpoint generates SVG images for text icons type=8. The content query parameter is inserted directly into the SVG tag without XML escaping. Since the response Content-Type is image/svg+xml, injecting...

EUVD-2026-3293

SiYuan has a Reflected Cross-Site Scripting XSS via /api/icon/getDynamicIcon...

GHSA-W836-5GPM-7R93 SiYuan has a Reflected Cross-Site Scripting (XSS) via /api/icon/getDynamicIcon

Summary Reflected XSS in /api/icon/getDynamicIcon due to unsanitized SVG input. Details The endpoint generates SVG images for text icons type=8. The content query parameter is inserted directly into the SVG tag without XML escaping. Since the response Content-Type is image/svg+xml, injecting...

CVE-2026-23847

SiYuan is a personal knowledge management system. Versions prior to 3.5.4 are vulnerable to reflected cross-site scripting in /api/icon/getDynamicIcon due to unsanitized SVG input. The endpoint generates SVG images for text icons type=8. The content query parameter is inserted directly into the S...

CVE-2026-23847 SiYuan Vulnerable to Reflected Cross-Site Scripting (XSS) via /api/icon/getDynamicIcon

SiYuan is a personal knowledge management system. Versions prior to 3.5.4 are vulnerable to reflected cross-site scripting in /api/icon/getDynamicIcon due to unsanitized SVG input. The endpoint generates SVG images for text icons type=8. The content query parameter is inserted directly into the S...

CVE-2026-23847 SiYuan Vulnerable to Reflected Cross-Site Scripting (XSS) via /api/icon/getDynamicIcon

SiYuan is a personal knowledge management system. Versions prior to 3.5.4 are vulnerable to reflected cross-site scripting in /api/icon/getDynamicIcon due to unsanitized SVG input. The endpoint generates SVG images for text icons type=8. The content query parameter is inserted directly into the S...

CVE-2026-23847

SiYuan (git/github kernel) prior to 3.5.4 is vulnerable to reflected XSS in /api/icon/getDynamicIcon via unsanitized SVG input. The content parameter is injected into the SVG tag without XML escaping, and the image/svg+xml response enables JavaScript execution in attackers’ context. Remediation:...

CVE-2026-23847 SiYuan Vulnerable to Reflected Cross-Site Scripting (XSS) via /api/icon/getDynamicIcon

SiYuan is a personal knowledge management system. Versions prior to 3.5.4 are vulnerable to reflected cross-site scripting in /api/icon/getDynamicIcon due to unsanitized SVG input. The endpoint generates SVG images for text icons type=8. The content query parameter is inserted directly into the S...

PT-2026-3492

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.5.4 Description SiYuan is a personal knowledge management system susceptible to reflected cross-site scripting. The issue occurs in the /api/icon/getDynamicIcon API endpoint. The endpoint generates SVG images for tex...

SiYuan cross-site scripting vulnerabilities

SiYuan is a privacy-oriented personal knowledge management system developed by SiYuan itself. Versions of SiYuan prior to 3.5.4 contained a cross-site scripting vulnerability. This vulnerability stemmed from the /api/icon/getDynamicIcon endpoint’s improper handling of uncleaned SVG inputs, which...

CVE-2026-23852: Improper Control of Generation of Code

SiYuan is a personal knowledge management system. Versions prior to 3.5.4 have a stored Cross-Site Scripting XSS vulnerability that allows an attacker to inject arbitrary HTML attributes into the icon attribute of a block via the /api/attr/setBlockAttrs API. The payload is later rendered in the...