Vulnerability · Published Oct 20, 2021 · Assigned by snyk
CVE-2021-23452Prototype Pollution
High 8.6
In plain English
A high-severity security flaw in x-assign. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 75% of all known vulnerabilities).
Severity (CVSS 3.1)8.6High
Exploit odds (30 days)1.6%top 24.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
This affects all versions of package x-assign. The global proto object can be polluted using the __proto__ object.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | x-assign | no fix listed | GHSA-4mvj-rq4v-2fxw |
Affected products (as reported)
References
- https://snyk.io/vuln/SNYK-JS-XASSIGN-1759314 x_refsource_MISC
- https://runkit.com/embed/sq8qjwemyn8t x_refsource_MISC