Kurz gesagt
- CVE-2026-42573 ist eine Schwachstelle (MITTEL (CVSS 6.1)) in svelte (svelte), svelte.
- Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 0.34%, höher als bei 27.8% aller Schwachstellen.
- Abhilfe: auf 5.55.7 oder neuer aktualisieren.
| Package | Affected versions | Patched versions |
|---|
| svelte | < 5.55.7
| 5.55.7
|
| svelte npm | < 5.55.7
| 5.55.7
|
Description
Svelte was vulnerable to DOM clobbering of its internal framework state on elements, potentially leading to XSS attacks.
You are vulnerable if all of the following is true:
- you are using attribute spreading on a form element
- you are using attribute spreading or allow a dynamic value for the
name attribute on an input or button element within that form
- both of these are simultaneously user-controllable
<form {...spread1}>
<input {...spread2}>
</form>
NVD description
Svelte is a performance oriented web framework. Prior to version 5.55.7, Svelte was vulnerable to DOM clobbering of its internal framework state on elements, potentially leading to XSS attacks. This issue has been patched in version 5.55.7.
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