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Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-whqh-9pq5-c7r3.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...

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...

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...

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...