๐Ÿ›ก๏ธ CVE-2025-62381
๐ŸŸ  CVSS 8.0 โ€” High โœ… No Known Exploit CWE-1321 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:L/SI:L/SA:L
CWE CWE-1321
Public Exploit โœ… No
Source NVD
Published 2025-10-15
Updated 2026-06-02
Modified 2025-10-16
Fix URL N/A

Affected Packages

Software From version Fixed in
sveltekit-superforms โ€” โ€”
unknown โ€” โ€”

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