Vulnerability · Published May 26, 2021 · Assigned by Mend
CVE-2021-25945
Critical 9.8
In plain English
A critical-severity security flaw in js-extend. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.0% (higher than 87% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)3.0%top 12.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | js-extend | no fix listed | GHSA-mh82-55cm-6gfh |