From the screenshot, we can extract the following key points about the vulnerability: - **Vulnerability**: Stored XSS via SVG Export (GHSA-hfvx-25r5-qc3w) - **Severity**: High (CVSS v3 base metrics: 7.6/10) - **Affected Package**: fabric (npm) - **Affected Versions**: version <=7.1.0 - **Patched Version**: 7.2.0 - **CVE ID**: CVE-2026-27013 **Key Findings**: 1. **XSS via id Property Injection**: - Vulnerable code in `src/shapes/Object/FabricObjectSVGExportMixin.ts`, line 89. - Unescaped user-controlled `id`. 2. **XSS via Image src / xlink:href Injection**: - Vulnerable code in `src/shapes/Image.ts`, line 404. - Unescaped `getSvgSrc()` value. 3. **XSS via Pattern sourceToString()**: - Vulnerable code in `src/Pattern/Pattern.ts`, line 181. - Unescaped `sourceToString()` in `xlink:href`. 4. **Gradient id Partial Injection (lower Severity)**: - Vulnerable code in `src/gradient/Gradient.ts`, line 212. - Partial unescaped `id` in `SVGID_`. **Impact**: - Applications that accept user-supplied JSON and render `toSVG()` output in a browser context are vulnerable. - Real-world attack scenarios include collaborative design tools, CMS or e-commerce platforms. **Remediation**: - Update to `fabric.js` version 7.2.0 or newer. **Confirmed Affected Files**: - `src/shapes/Object/FabricObjectSVGExportMixin.ts` - `src/shapes/Image.ts` - `src/Pattern/Pattern.ts` - `src/gradient/Gradient.ts`