CVE-2021-20084 Code injection in jQuery Sparkle

High 8.8 Published Updated

Prototype pollution in jQuery Sparkle allows attackers to inject properties into Object.prototype, potentially leading to code execution or privilege escalation.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-20084?

CVE-2021-20084 is a high-severity code injection vulnerability in jQuery Sparkle, published on 23 Apr 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in jquery-sparkle 1.5.2-beta allows a malicious user to inject properties into Object.prototype.

Weakness: CWE-1321

Which versions are affected by CVE-2021-20084?

It affects 1 product.

Products include Jquery-Sparkle Project Jquery-Sparkle.

How do I fix CVE-2021-20084?

No fix has been published for CVE-2021-20084 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2021-20084 being exploited?

There is no known exploitation of CVE-2021-20084 in the wild and no public exploit code.

Sources

Also known as GHSA-jvjp-w9hw-x66g.

Is CVE-2021-20084 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free