CVE-2021-47855: Improper Neutralization of Input During Web Page Generation

Openlitespeed 1.7.9 contains a stored cross-site scripting vulnerability in the dashboard's Notes parameter that allows administrators to inject malicious scripts. Attackers can craft a payload in the Notes field during listener configuration that will execute when an administrator clicks on the...

PT-2026-3808

Openlitespeed 1.7.9 contains a stored cross-site scripting vulnerability in the dashboard's Notes parameter that allows administrators to inject malicious scripts. Attackers can craft a payload in the Notes field during listener configuration that will execute when an administrator clicks on the...

CVE-2026-23852

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...

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-2026-23852

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...

CVE-2026-23852

SiYuan up to version 3.5.4 is vulnerable to a stored XSS via the icon attribute in blocks created through the /api/attr/setBlockAttrs API. The payload is rendered unsanitized within the dynamic icon feature, enabling stored XSS and, on desktop, potential RCE. The issue bypassed a prior fix for is...

CVE-2026-23852 SiYuan vulnerable to Stored XSS / RCE via `setBlockAttrs` icon attribute

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...

CVE-2026-23852 SiYuan vulnerable to Stored XSS / RCE via `setBlockAttrs` icon attribute

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...

EUVD-2026-3290

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...

CVE-2026-23852 SiYuan vulnerable to Stored XSS / RCE via `setBlockAttrs` icon attribute

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...

CVE-2026-23852

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...

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 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-2026-23852: 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...

PT-2026-3498

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.5.4 Description SiYuan is a personal knowledge management system with a stored Cross-Site Scripting XSS issue. An attacker can inject arbitrary HTML attributes into the icon attribute of a block through the...

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...

CVE-2026-23847: Improper Neutralization of Input During Web Page Generation

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...