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Path Traversal: 'dir/../../filename' in moment.locale

High severity GitHub Reviewed Published Apr 3, 2022 in moment/moment • Updated Nov 4, 2025

Package

nuget Moment.js (NuGet)

Affected versions

< 2.29.2

Patched versions

2.29.2
npm moment (npm)
< 2.29.2
2.29.2

Description

Impact

This vulnerability impacts npm (server) users of moment.js, especially if user provided locale string, eg fr is directly used to switch moment locale.

Patches

This problem is patched in 2.29.2, and the patch can be applied to all affected versions (from 1.0.1 up until 2.29.1, inclusive).

Workarounds

Sanitize user-provided locale name before passing it to moment.js.

References

Are there any links users can visit to find out more?

For more information

If you have any questions or comments about this advisory:

References

@ichernev ichernev published to moment/moment Apr 3, 2022
Published by the National Vulnerability Database Apr 4, 2022
Published to the GitHub Advisory Database Apr 4, 2022
Reviewed Apr 4, 2022
Last updated Nov 4, 2025

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(72nd percentile)

Weaknesses

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Learn more on MITRE.

Path Traversal: 'dir/../../filename'

The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize multiple internal ../ sequences that can resolve to a location that is outside of that directory. Learn more on MITRE.

CVE ID

CVE-2022-24785

GHSA ID

GHSA-8hfj-j24r-96c4

Source code

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