SiYuan <= v3.5.9 - Cross Site Scripting

SiYuan v3.5.10 contains a reflected XSS caused by improper sanitization of javascript: href attributes allowing ASCII control characters to bypass prefix checks in SVG sanitizer, letting unauthenticated attackers execute JavaScript via /api/icon/getDynamicIcon. id: CVE-2026-31809 info: name: SiYu...

EUVD-2026-32920

TinyMCE Cross-Site Scripting XSS vulnerability using sanitization bypass through nested SVGs...

TinyMCE Cross-Site Scripting (XSS) vulnerability using sanitization bypass through nested SVGs

Impact TinyMCE 6.8.x contains an XSS vulnerability caused by improper SVG namespace scope handling in the sanitizer. A crafted payload using nested elements can bypass attribute sanitization and execute arbitrary JavaScript. Patches This issue affects TinyMCE 6.8.x-7.0.x. The vulnerability is fix...

CVE-2026-43900

DeepChat is an open-source artificial intelligence agent platform that unifies models, tools, and agents. Prior to v1.0.4-beta.1, a Cross-Site Scripting XSS vulnerability exists due to a discrepancy between the backend validation layer and the frontend browser rendering engine. The SVGSanitizer...

GHSA-WJ3Q-VW2V-3RJ3 Duplicate Advisory: phpMyFAQ: SVG Sanitizer Entity Decoding Depth Limit Bypass Leading to Stored XSS

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-whqh-9pq5-c7r3. This link is maintained to preserve external references. Original Description phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in SvgSanitizer::decodeAllEntities that...

CVE-2026-46360

phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in SvgSanitizer::decodeAllEntities that limits recursive entity decoding to 5 iterations, allowing attackers to bypass sanitization. Authenticated users with FAQEDIT permission can upload malicious SVG files with deeply...

CVE-2026-46360

CVE-2026-46360 : phpMyFAQ

PT-2026-41362

phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in SvgSanitizer::decodeAllEntities that limits recursive entity decoding to 5 iterations, allowing attackers to bypass sanitization. Authenticated users with FAQ EDIT permission can upload malicious SVG files with deeply...

CVE-2026-43900 DeepChat: Persistent DOM XSS via HTML Entity Encoding in `<antArtifact>` SVG Rendering (Bypass of `svgSanitizer.ts`)

DeepChat is an open-source artificial intelligence agent platform that unifies models, tools, and agents. Prior to v1.0.4-beta.1, a Cross-Site Scripting XSS vulnerability exists due to a discrepancy between the backend validation layer and the frontend browser rendering engine. The SVGSanitizer...

CVE-2026-43900

DeepChat vuln CVE-2026-43900 affects the SvgArtifact rendering path. The sanitizer in src/main/lib/svgSanitizer.ts scrubs javascript: protocols with plain-text regex but fails to account for HTML entity decoding before Vue’s v-html insertion in SvgArtifact.vue. Crafting an SVG artifact with obfus...

DeepChat 跨站脚本漏洞

DeepChat is an intelligent assistant developed by ThinkInAIXYZ as open source. Versions of DeepChat prior to v1.0.4-beta.1 contained a cross-site scripting vulnerability. This vulnerability stemmed from the discrepancy between the backend validation layer and the front-end browser rendering engin...

CVE-2026-40301

DOMSanitizer is a DOM/SVG/MathML Sanitizer for PHP 7.3+. Prior to version 1.0.10, DOMSanitizer::sanitize allows...

CVE-2026-34974

phpMyFAQ is an open source FAQ web application. Prior to version 4.1.1, the regex-based SVG sanitizer in phpMyFAQ SvgSanitizer.php can be bypassed using HTML entity encoding in javascript: URLs within SVG attributes. Any user with editfaq permission can upload a malicious SVG that executes...

CVE-2026-34974 phpMyFAQ: SVG Sanitizer Bypass via HTML Entity Encoding leads to Stored XSS and Privilege Escalation

phpMyFAQ is an open source FAQ web application. Prior to version 4.1.1, the regex-based SVG sanitizer in phpMyFAQ SvgSanitizer.php can be bypassed using HTML entity encoding in javascript: URLs within SVG attributes. Any user with editfaq permission can upload a malicious SVG that executes...

GHSA-5CRX-PFHQ-4HGG phpMyFAQ: SVG Sanitizer Bypass via HTML Entity Encoding Leads to Stored XSS and Privilege Escalation

Summary The regex-based SVG sanitizer in phpMyFAQ SvgSanitizer.php can be bypassed using HTML entity encoding in javascript: URLs within SVG attributes. Any user with editfaq permission can upload a malicious SVG that executes arbitrary JavaScript when viewed, enabling privilege escalation from...

Cross-site Scripting (XSS)

Overview thorsten/phpmyfaq is a FAQ system for PHP and MySQL, PostgreSQL and other databases Affected versions of this package are vulnerable to Cross-site Scripting XSS in the isSafe function of the SVG sanitizer process. An attacker can execute arbitrary JavaScript in the context of an...

CVE-2026-31809

SiYuan is a personal knowledge management system. Prior to 3.5.10, SiYuan's SVG sanitizer SanitizeSVG checks href attributes for the javascript: prefix using strings.HasPrefix. However, inserting ASCII tab , newline , or carriage return characters inside the javascript: string bypasses this prefi...

SUSE CVE-2026-31807

SiYuan is a personal knowledge management system. Prior to 3.5.10, SiYuan's SVG sanitizer SanitizeSVG blocks dangerous elements , , and removes on event handlers and javascript: in href attributes. However, it does NOT block SVG animation elements , which can dynamically set attributes to dangero...

SUSE CVE-2026-31809

SiYuan is a personal knowledge management system. Prior to 3.5.10, SiYuan's SVG sanitizer SanitizeSVG checks href attributes for the javascript: prefix using strings.HasPrefix. However, inserting ASCII tab , newline , or carriage return characters inside the javascript: string bypasses this prefi...

GO-2026-4669 SiYuan has a SVG Sanitizer Bypass via Whitespace in `javascript:` URI — Unauthenticated XSS in github.com/siyuan-note/siyuan/kernel

SiYuan has a SVG Sanitizer Bypass via Whitespace in javascript: URI — Unauthenticated XSS in github.com/siyuan-note/siyuan/kernel...