Shopware: Stored XSS via SVG file upload — no SVG sanitization

SVG files are in the allowedextensions whitelist and can be uploaded by any admin user via the media manager. There is zero SVG content sanitization anywhere in the upload pipeline. A malicious SVG with JavaScript onload, , executes in the context of the Shopware domain when accessed. The Problem...

CVE-2020-37238: Improper Neutralization of Input During Web Page Generation

CMS Made Simple 2.2.15 contains a stored cross-site scripting vulnerability that allows authenticated users with Content Manager access to inject malicious scripts through SVG file uploads. Attackers can upload SVG files containing embedded JavaScript to the file manager, which executes when othe...

CVE-2026-42138: Improper Neutralization of Input During Web Page Generation

Dify is an open-source LLM app development platform. Prior to version 1.13.1, using the method POST /api/files/upload, any unauthenticated user can upload an SVG file with XSS. The method POST /v1/files/upload, which requires authentication through the application API, is also vulnerable. This...

CVE-2026-38948

Cross-Site Scripting XSS vulnerability exists in FUEL CMS v1.5.2 and before within the asset upload functionality. The application fails to properly sanitize uploaded SVG files, allowing a low-privileged authenticated user to upload a crafted SVG file containing malicious code...

CVE-2026-40487

Postiz is an AI social media scheduling tool. Prior to version 2.21.6, a file upload validation bypass allows any authenticated user to upload arbitrary HTML, SVG, or other executable file types to the server by spoofing the Content-Type header. The uploaded files are then served by nginx with a...

CVE-2026-29924: Improper Restriction of XML External Entity Reference

Grav CMS v1.7.x and before is vulnerable to XML External Entity XXE through the SVG file upload functionality in the admin panel and File Manager plugin...

CVE-2026-25100 Stored XSS via SVG File Upload in Bludit

Bludit is vulnerable to Stored Cross-Site Scripting XSS in its image upload functionality. An authenticated attacker with content upload privileges such as Author, Editor, or Administrator can upload an SVG file containing a malicious payload, which is executed when a victim visits the URL of the...

CVE-2026-25100: Improper Neutralization of Input During Web Page Generation

Bludit is vulnerable to Stored Cross-Site Scripting XSS in its image upload functionality. An authenticated attacker with content upload privileges such as Author, Editor, or Administrator can upload an SVG file containing a malicious payload, which is executed when a victim visits the URL of the...

CVE-2025-65734

An authenticated arbitrary file upload vulnerability in the Courses/Work Assignments module of gunet Open eClass v3.11, and fixed in v3.13, allows attackers to execute arbitrary code via uploading a crafted SVG file...

CVE-2026-3749 Bytedesk SVG File UploadRestService.java handleFileUpload unrestricted upload

A weakness has been identified in Bytedesk up to 1.3.9. This vulnerability affects the function handleFileUpload of the file source-code/src/main/java/com/bytedesk/core/upload/UploadRestService.java of the component SVG File Handler. Executing a manipulation can lead to unrestricted upload. The...

CVE-2026-3748 Bytedesk SVG File UploadRestController.java uploadFile unrestricted upload

A security flaw has been discovered in Bytedesk up to 1.3.9. This affects the function uploadFile of the file source-code/src/main/java/com/bytedesk/core/upload/UploadRestController.java of the component SVG File Handler. Performing a manipulation results in unrestricted upload. Remote exploitati...

CVE-2026-3748

A CVE-2026-3748 vulnerability affects Bytedesk up to 1.3.9 in the SVG File Handler’s UploadRestController.uploadFile function. The flaw allows unrestricted file upload via manipulation of the uploadFile endpoint, with remote exploitation reported as possible and the exploit released publicly. A f...

CVE-2026-27147: Improper Neutralization of Input During Web Page Generation

GetSimple CMS is a content management system. All versions of GetSimple CMS are vulnerable to XSS through SVG file uploads. Authenticated users can upload SVG files via the administrative upload functionality, but they are not properly sanitized or restricted, allowing an attacker to embed...

CVE-2025-14478: Improper Restriction of XML External Entity Reference

The Demo Importer Plus plugin for WordPress is vulnerable to XML External Entity Injection XXE in all versions up to, and including, 2.0.9 via the SVG file upload functionality. This makes it possible for authenticated attackers, with Author-level access and above, to achieve code execution in...

CVE-2021-47783

Phpwcms 1.9.30 contains a file upload vulnerability that allows authenticated attackers to upload malicious SVG files with embedded JavaScript. Attackers can upload crafted SVG payloads through the multiple file upload feature to potentially execute cross-site scripting attacks on the platform...

CVE-2023-49279

Umbraco is an ASP.NET content management system CMS. Starting in version 7.0.0 and prior to versions 7.15.11, 8.18.9, 10.7.0, 11.5.0, and 12.2.0, a user with access to the backoffice can upload SVG files that include scripts. If the user can trick another user to load the media directly in a...

CVE-2026-0627

CVE-2026-0627 affects the AMP for WP plugin for WordPress (vulnerable up to 1.1.10). It is a stored XSS via malicious SVG uploads; requires Author-level authentication and executes when a user views the uploaded file. The issue arises from insufficient sanitization that only removes script tags, ...

CVE-2026-0627: Improper Neutralization of Input During Web Page Generation

The AMP for WP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG file uploads in all versions up to, and including, 1.1.10. This is due to insufficient sanitization of SVG file content that only removes...

CVE-2025-14984: Improper Neutralization of Input During Web Page Generation

The Gutenverse Form plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG file upload in all versions up to, and including, 2.3.2. This is due to the plugin's framework component adding SVG to the allowed MIME types via the uploadmimes filter without implementing any...

CVE-2024-2324

The FileOrganizer – Manage WordPress and Website Files plugin for WordPress is vulnerable to Stored Cross-Site Scripting via svg file upload in all versions up to, and including, 1.0.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers t...