CVE-2026-44311

Fabric.js is a Javascript HTML5 canvas library. Prior to 7.4.0, a potential Cross-Site Scripting (XSS) vulnerability exists in Fabric.js due to improper escaping of user-controlled input during SVG serialization via the toSVG() method. Specifically, the color field within the colorStops array of a fabric.Gradient object is not properly escaped when converted into SVG <stop> elements. If an application renders the generated SVG string into the DOM, this may allow an attacker to inject arbitrary HTML/SVG and execute JavaScript in the victim's browser. This vulnerability is fixed in 7.4.0.

• CWE-79
• CWE-116

• https://github.com/fabricjs/fabric.js/releases/tag/v740Product, Release Notes
• https://github.com/fabricjs/fabric.js/security/advisories/GHSA-w22m-hvvm-xmwxExploit, Mitigation, Vendor Advisory
• https://github.com/fabricjs/fabric.js/security/advisories/GHSA-w22m-hvvm-xmwxExploit, Mitigation, Vendor Advisory

Published

Jun 22, 2026

Last Modified

Jun 26, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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