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CVE-2021-4264: LinkedIn dustjs 2.x: Modification of Object Attributes Possible

CVE-2021-4264 · published 3 years ago

Summary

A security issue was found in LinkedIn's dustjs library up to version 2.x. This could allow an attacker to modify certain settings on a website, potentially leading to security risks. To fix this, update to version 3.0.0 of dustjs.

What to do

Update krakenjs-user dustjs-linkedin to version 3.0.0.
Update linkedin dustjs to version 3.0.0 or later.

Affected software

Ecosystem	Vendor	Product	Affected versions
npm	krakenjs-user	dustjs-linkedin	< 3.0.0 Fix: upgrade to 3.0.0
–	linkedin	dustjs	< 3.0.0 `cpe:2.3:a:linkedin:dustjs::::::::`

Original advisory text

A vulnerability was found in LinkedIn dustjs up to 2.x and classified as problematic. Affected by this issue is some unknown functionality. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 3.0.0 is able to address this issue. The name of the patch is ddb6523832465d38c9d80189e9de60519ac307c3. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216464.

References

Fix within

Internet-facing 14 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit (estimated)
Gives an attacker full control (estimated)

Severity

8.8 High

Exploitation

1% chance of attack within 30 days

Type

CWE-74Injection

CWE-94Code Injection

CWE-1321Prototype Pollution

Timeline

Published21 Dec 2022

Updated4 Nov 2026

First seen6 Mar 2026

Sources

GHSA-c6rp-wrp9-qr4q · GHSA

CVE-2021-4264 · NVD

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