CVE-2020-28481

PoC —

CVSS 3.1

4.3 medium

EPSS

<1%p52

Published

Jan 19, 2021 (Jan 19, 2021)

Modified

Jun 17, 2026

Description

The package socket.io before 2.4.0 are vulnerable to Insecure Defaults due to CORS Misconfiguration. All domains are whitelisted by default.

Vendors: socket
Products: socket.io
Weakness: CWE-346
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.7%)

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