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jszip Vulnerable to Prototype Pollution

Moderate severity GitHub Reviewed Published Aug 10, 2021 to the GitHub Advisory Database • Updated Sep 21, 2023

Package

npm jszip (npm)

Affected versions

>= 3.0.0, < 3.7.0
< 2.7.0

Patched versions

3.7.0
2.7.0

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.

References

Published by the National Vulnerability Database Jul 25, 2021
Reviewed Aug 2, 2021
Published to the GitHub Advisory Database Aug 10, 2021
Last updated Sep 21, 2023

Severity

Moderate
5.3
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weaknesses

CVE ID

CVE-2021-23413

GHSA ID

GHSA-jg8v-48h5-wgxg

Source code

Credits

Checking history
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