CVE-2021-25945 Prototype pollution vulnerability in js-extend
Prototype pollution in js-extend allows attackers to cause denial of service and potentially execute remote code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-25945?
CVE-2021-25945 is a critical code injection vulnerability in js-extend, published on 26 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Prototype pollution vulnerability in 'js-extend' versions 0.0.1 through 1.0.1 allows attacker to cause a denial of service and may lead to remote code execution.
Weakness: CWE-1321
Which versions are affected by CVE-2021-25945?
2 open source packages ship an affected version, including js-extend. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
js-extend npm | All versions to 1.0.1 | None |
js-extend npm | All versions to 1.0.1 | None |
Products include Js-Extend Project Js-Extend.
How do I fix CVE-2021-25945?
No fix has been published for CVE-2021-25945 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-2021-25945 being exploited?
There is no known exploitation of CVE-2021-25945 in the wild and no public exploit code.
Sources
Also known as GHSA-mh82-55cm-6gfh.