EUVD-2026-10712

Copyparty is a portable file server. Prior to v1.20.11., the nohtml config option, intended to prevent execution of JavaScript in user-uploaded HTML files, did not apply to SVG images. A user with write-permission could upload an SVG containing embedded JavaScript, which would execute in the...

CVE-2026-30974

The copyparty advisory GHSA-M6HV-X64C-27MM describes a vulnerability where the nohtml volflag failed to block JavaScript in SVG files. Although not a vulnerability by itself, this allowed a user with write access to upload an SVG containing embedded JavaScript that could execute when opened, pote...

copyparty: volflag `nohtml` did not block javascript in svg files

Summary The nohtml config option, intended to prevent execution of JavaScript in user-uploaded HTML files, did not apply to SVG images. Details A user with write-permission could upload an SVG containing embedded JavaScript, which would execute in the context of whichever user opens it. This in...

GHSA-M6HV-X64C-27MM copyparty: volflag `nohtml` did not block javascript in svg files

Summary The nohtml config option, intended to prevent execution of JavaScript in user-uploaded HTML files, did not apply to SVG images. Details A user with write-permission could upload an SVG containing embedded JavaScript, which would execute in the context of whichever user opens it. This in...

EUVD-2026-10711

copyparty: volflag nohtml did not block javascript in svg files...

SiYuan 跨站脚本漏洞

SiYuan is a privacy-oriented personal knowledge management system developed by SiYuan. Versions of SiYuan prior to 3.5.10 contained a cross-site scripting vulnerability. This vulnerability stemmed from the SVG cleaner not preventing SVG animation elements, which could bypass static cleaning and...

PT-2026-24462

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.5.10 Description SiYuan is a personal knowledge management system. The SVG sanitizer SanitizeSVG in versions prior to 3.5.10 does not block SVG animation elements , , allowing attackers to dynamically set attributes ...

PT-2026-24426

Name of the Vulnerable Software and Affected Versions Parse Server versions prior to 9.5.2-alpha.4 Parse Server versions prior to 8.6.17 Description Parse Server, an open source backend deployable on Node.js infrastructures, contains a stored cross-site scripting XSS issue. Authenticated users ca...

Copyparty 跨站脚本漏洞

Copyparty is a portable file server developed by Ed’s individual developer. Versions of Copyparty prior to v1.20.11 contained a cross-site scripting vulnerability. This vulnerability stemmed from the nohtml configuration option not being applied to SVG images, which could lead to the execution of...

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-2026-3749 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...

PT-2026-23954

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-2026-29074 SVGO: DoS through entity expansion in DOCTYPE (Billion Laughs)

SVGO, short for SVG Optimizer, is a Node.js library and command-line application for optimizing SVG files. From version 2.1.0 to before version 2.8.1, from version 3.0.0 to before version 3.3.3, and before version 4.0.1, SVGO accepts XML with custom entities, without guards against entity expansi...

CVE-2026-29183 SiYuan: Unauthenticated reflected SVG XSS in `/api/icon/getDynamicIcon` (`type=8`) enables arbitrary JavaScript execution

SiYuan is a personal knowledge management system. Prior to version 3.5.9, an unauthenticated reflected XSS vulnerability exists in the dynamic icon API endpoint "GET /api/icon/getDynamicIcon" when type=8, attacker-controlled content is embedded into SVG output without escaping. Because the endpoi...

CVE-2026-29183 SiYuan: Unauthenticated reflected SVG XSS in `/api/icon/getDynamicIcon` (`type=8`) enables arbitrary JavaScript execution

SiYuan is a personal knowledge management system. Prior to version 3.5.9, an unauthenticated reflected XSS vulnerability exists in the dynamic icon API endpoint "GET /api/icon/getDynamicIcon" when type=8, attacker-controlled content is embedded into SVG output without escaping. Because the endpoi...

CVE-2026-28683 Gokapi: Stored XSS in SVG Hotlinks

Gokapi is a self-hosted file sharing server with automatic expiration and encryption support. Prior to version 2.2.3, if a malicious authenticated user uploads SVG and creates a hotlink for it, they can achieve stored XSS. This issue has been patched in version 2.2.3...

CVE-2026-28683 Gokapi: Stored XSS in SVG Hotlinks

Gokapi is a self-hosted file sharing server with automatic expiration and encryption support. Prior to version 2.2.3, if a malicious authenticated user uploads SVG and creates a hotlink for it, they can achieve stored XSS. This issue has been patched in version 2.2.3...

CVE-2026-28683 Gokapi: Stored XSS in SVG Hotlinks

Gokapi is a self-hosted file sharing server with automatic expiration and encryption support. Prior to version 2.2.3, if a malicious authenticated user uploads SVG and creates a hotlink for it, they can achieve stored XSS. This issue has been patched in version 2.2.3...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the hotlinking process. An attacker can execute arbitrary JavaScript code in the context of users viewing the hotlinked SVG by uploading a crafted SVG file containing malicious scripts and creating a hotlink...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the hotlinking process. An attacker can execute arbitrary JavaScript code in the context of users viewing the hotlinked SVG by uploading a crafted SVG file containing malicious scripts and creating a hotlink...