CVE-2021-20085 Prototype Pollution in backbone-query-parameters
Prototype pollution in backbone-query-parameters 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-2021-20085?
CVE-2021-20085 is a high-severity code injection vulnerability in backbone-query-parameters, 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 backbone-query-parameters 0.4.0 allows a malicious user to inject properties into Object.prototype.
Weakness: CWE-1321
Which versions are affected by CVE-2021-20085?
2 open source packages ship an affected version, including backbone-query-parameters. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
backbone-query-parameters npm | All versions to 0.4.0 | None |
backbone-query-parameters npm | All versions to 0.4.0 | None |
Products include Backbone-Query-Parameters Project Backbone-Query-Parameters.
How do I fix CVE-2021-20085?
No fix has been published for CVE-2021-20085 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-2021-20085 being exploited?
There is no known exploitation of CVE-2021-20085 in the wild and no public exploit code.
Sources
Also known as GHSA-8qpm-5c82-rf96.