En resumen
- CVE-2026-33311 es una vulnerabilidad MEDIO (CVSS 4.7) que afecta a dicebear (dicebear), @dicebear/core, @dicebear/initials.
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.19%, mayor que el 8.5% de las vulnerabilidades.
- Solución: actualizar a 5.4.4, 6.1.4, 7.1.4, 8.0.3 o posterior.
| Package | Affected versions | Patched versions |
|---|
| dicebear | ≥ 5.0.0, < 5.4.4≥ 6.0.0, < 6.1.4≥ 7.0.0, < 7.1.4≥ 8.0.0, < 8.0.3≥ 9.0.0, < 9.4.1
| 5.4.46.1.47.1.48.0.39.4.1
|
| @dicebear/core npm | ≥ 5.0.0, < 5.4.4≥ 6.0.0, < 6.1.4≥ 7.0.0, < 7.1.4≥ 8.0.0, < 8.0.3≥ 9.0.0, < 9.4.1
| 5.4.46.1.47.1.48.0.39.4.1
|
| @dicebear/initials npm | ≥ 5.0.0, < 5.4.4≥ 6.0.0, < 6.1.4≥ 7.0.0, < 7.1.4≥ 8.0.0, < 8.0.3≥ 9.0.0, < 9.4.1
| 5.4.46.1.47.1.48.0.39.4.1
|
Description
Summary
SVG attribute values derived from user-supplied options (backgroundColor, fontFamily, textColor) were not XML-escaped before interpolation into SVG output. This could allow Cross-Site Scripting (XSS) when applications pass untrusted input to createAvatar() and serve the resulting SVG inline or with Content-Type: image/svg+xml.
Affected packages
@dicebear/core — backgroundColor option values interpolated into SVG attributes without escaping (affects solid and gradientLinear background types)@dicebear/initials — fontFamily and textColor option values interpolated into SVG attributes without escaping
Fix
All affected SVG attribute values are now properly escaped using XML entity encoding. Users should upgrade to the listed patched versions.
Mitigating factors
- Applications that validate input against the library's JSON Schema before passing it to
createAvatar() are not affected
- The DiceBear CLI validates input via AJV and was not vulnerable
- Exploitation requires that an application passes untrusted, unvalidated external input directly as option values
NVD description
DiceBear is an avatar library for designers and developers. Starting in version 5.0.0 and prior to versions 5.4.4, 6.1.4, 7.1.4, 8.0.3, and 9.4.1, SVG attribute values derived from user-supplied options (`backgroundColor`, `fontFamily`, `textColor`) were not XML-escaped before interpolation into SVG output. This could allow Cross-Site Scripting (XSS) when applications pass untrusted input to `createAvatar()` and serve the resulting SVG inline or with `Content-Type: image/svg+xml`. Starting in versions 5.4.4, 6.1.4, 7.1.4, 8.0.3, and 9.4.1, all affected SVG attribute values are properly escaped using XML entity encoding. Users should upgrade to the listed patched versions. Some mitigating factors limit vulnerability. Applications that validate input against the library's JSON Schema before passing it to `createAvatar()` are not affected. The DiceBear CLI validates input via AJV and was not vulnerable. Exploitation requires that an application passes untrusted, unvalidated external input directly as option values.
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