CVE-2025-62381

sveltekit-superforms makes SvelteKit forms a pleasure to use. sveltekit-superforms v2.27.3 and prior are susceptible to a prototype pollution vulnerability within the parseFormData function of formData.js. An attacker can inject string and array properties into Object.prototype, leading to denial of service, type confusion, and potential remote code execution in downstream applications that rely on polluted objects. This vulnerability is fixed in 2.27.4.
CVSS

No CVSS.

Configurations

No configuration.

History

15 Oct 2025, 20:15

Type Values Removed Values Added
References () https://github.com/ciscoheat/sveltekit-superforms/security/advisories/GHSA-hwmc-4c8j-xxj7 - () https://github.com/ciscoheat/sveltekit-superforms/security/advisories/GHSA-hwmc-4c8j-xxj7 -

15 Oct 2025, 18:15

Type Values Removed Values Added
New CVE

Information

Published : 2025-10-15 18:15

Updated : 2025-10-16 15:28


NVD link : CVE-2025-62381

Mitre link : CVE-2025-62381

CVE.ORG link : CVE-2025-62381


JSON object : View

Products Affected

No product.

CWE
CWE-1321

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')