CVE-2021-23413
jszip Vulnerable to Prototype Pollution
5.3
MEDIUM
CVSS 3.1
EPSS 1.2%
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.
How to fix CVE-2021-23413
To remediate CVE-2021-23413, upgrade the affected package to a fixed version below.
- Debian/node-jszip—upgrade to 3.5.0+dfsg-2 or later
- —upgrade to 3.7.0 or later
Is CVE-2021-23413 being exploited?
Low — EPSS is 1.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.5.0+dfsg-2
- >= 3.0.0, < 3.7.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |