CVE-2021-23413

PoC ×3—

CVSS 3.1

5.3 medium

EPSS

3%p88

Published

Jul 25, 2021 (Jul 25, 2021)

Modified

Jun 17, 2026

Description

This affects the package jszip before 3.7.0. Crafting a new zip file with filenames set to Object prototype values (e.g __proto__, toString, etc) results in a returned object with a modified prototype instance.

Vendors: jszip project
Products: jszip
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

NVD CVE.org GitHub PoCs EPSS (3.4%)

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