CVE-2026-4054

Mattermost disclosure CVE-2026-4054 affects Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, and 11.4.x

CVE-2026-4054 SVG content served through Mattermost image proxy despite Content-Type restrictions causes client-side denial of service

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 Fail to validate the response body of proxied images, which allows a remote attacker to enact client-side DoS via an SVG file served from an attacker-controlled origin under a non-SVG Content-Type header e.g. image/png...

CVE-2026-4054 SVG content served through Mattermost image proxy despite Content-Type restrictions causes client-side denial of service

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 Fail to validate the response body of proxied images, which allows a remote attacker to enact client-side DoS via an SVG file served from an attacker-controlled origin under a non-SVG Content-Type header e.g. image/png...

CVE-2026-6210

A flaw was found in Qt SVG. A remote attacker could exploit a vulnerability by providing a specially crafted SVG image. This issue arises from incorrect handling of SVG marker references, where the software misinterprets data types, leading to memory access errors and an infinite loop. This can...

Cross-Site Scripting (XSS)

github.com/siyuan-note/siyuan is vulnerable to Cross-Site Scripting XSS. The vulnerability is due to incomplete SVG sanitization and improper handling of user-controlled input in the /api/icon/getDynamicIcon endpoint, which allows an attacker to inject malicious SVG content and execute JavaScript...

Open WebUI 安全漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.6.31 contained security vulnerabilities, which were caused by cross-site scripting vulnerabilities in the SVG renderer implementation...

phpMyFAQ 跨站脚本漏洞

phpMyFAQ is a multilingual, database-driven FAQ system developed by Thorsten Rinne. Versions of phpMyFAQ prior to 4.1.2 had a cross-site scripting vulnerability. This vulnerability stemmed from a recursive entity decoding limit of 5 times in SvgSanitizer::decodeAllEntities, allowing users with...

PT-2026-41339

CouchCMS 2.2.1 contains a server-side request forgery vulnerability that allows authenticated attackers to make arbitrary HTTP requests by uploading malicious SVG files. Attackers can upload SVG files containing external entity references through the browse.php endpoint to access internal service...

NPM: Open WebUI Has Stored Cross-Site Scripting in SVG Renderer

NPM: Open WebUI Has Stored Cross-Site Scripting in SVG Renderer vulnerability discovered by ? in WordPress Npm open-webui versions 0.6.31...

GHSA-R29H-37FJ-X2W6 Open WebUI Has Stored Cross-Site Scripting in SVG Renderer

Summary There is a Cross-Site Scripting vulnerability in Open WebUI SVG renderer implementation. Details It is possible permanently save any HTML/JavaScript code in the application, which can be then executed in the context of the application domain. This behaviour can be used to extract and stea...

EUVD-2026-30134

A cross-site scripting XSS vulnerability exists in Alinto SOGo, version 5.12.7. A maliciously crafted ICS calendar invitation files allows arbitrary JavaScript execution within the authenticated SOGo webmail session. The issue occurs because SVG content embedded in the description field of an ICS...

CVE-2026-8496 A cross-site scripting (XSS) vulnerability in Alinto SOGo, version 5.12.7

A cross-site scripting XSS vulnerability exists in Alinto SOGo, version 5.12.7. A maliciously crafted ICS calendar invitation files allows arbitrary JavaScript execution within the authenticated SOGo webmail session. The issue occurs because SVG content embedded in the description field of an ICS...

CVE-2026-44259

efw4.X is an Enterprise Framework for Web. Prior to 4.08.010, the previewServlet serves files with their detected MIME type based on file extension, without any content sanitization or security headers. Files with .html, .htm, or .svg extensions are served as text/html or image/svg+xml...

EUVD-2025-209787

A Stored Cross-Site Scripting XSS vulnerability was discovered in the File Management module of FluentCMS 1.2.3. The flaw allows an authenticated administrator to upload crafted SVG files containing malicious JavaScript code. Once uploaded, the script executes in the browser of any user who...

PT-2026-40445

Name of the Vulnerable Software and Affected Versions efw4.X versions prior to 4.08.010 Description The 'previewServlet' serves files using detected MIME types based on file extensions without applying security headers or content sanitization. Files with extensions such as .html, .htm, or .svg ar...

FluentCMS 跨站脚本漏洞

FluentCMS is an open-source content management system developed by FluentCMS. Version 1.2.3 of FluentCMS has a cross-site scripting vulnerability. This vulnerability stems from a storage-based cross-site script in the file management module. It allows authenticated administrators to upload...

CVE-2025-70842

A Stored Cross-Site Scripting XSS vulnerability was discovered in the File Management module of FluentCMS 1.2.3. The flaw allows an authenticated administrator to upload crafted SVG files containing malicious JavaScript code. Once uploaded, the script executes in the browser of any user who...

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-2026-8195

A vulnerability was detected in JeecgBoot up to 3.9.1. The affected element is an unknown function of the file jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/CommonController.java of the component SVG File Handler. The manipulation results in cross site...

Cross-site Scripting (XSS)

SiYuan is vulnerable to Cross-Site Scripting XSS. The vulnerability is due to improper escaping of attacker-controlled content in SVG output generated by the dynamic icon API endpoint, which allows an attacker to inject and execute malicious JavaScript through crafted URLs...