CVE-2020-28478 Prototype Pollution

High 7.5 Published Updated

Prototype pollution in the GSAP library allows attackers to modify object prototypes, potentially leading to code execution or application instability.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2020-28478?

CVE-2020-28478 is a high-severity vulnerability in gsap, published on 19 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

This affects the package gsap before 3.6.0.

Which versions are affected by CVE-2020-28478?

2 open source packages ship an affected version, including gsap. It affects 1 product.

PackageAffectedFixed in
gsap npmAll versions3.6.0
gsap npmAll versions3.6.0

Products include Greensock Greensock Animation Platform.

How do I fix CVE-2020-28478?

Upgrade gsap to 3.6.0 or later.

Is CVE-2020-28478 being exploited?

There is no known exploitation of CVE-2020-28478 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-6g8v-hpgw-h2v7.

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