What’s Vulnerable › Vulnerabilities

CVE-2020-7660: Insecure serialization leading to RCE in serialize-javascript

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-06-01 · updated 2026-06-17
Weakness: CWE-502

Description

serialize-javascript prior to 3.1.0 allows remote attackers to inject arbitrary code via the function "deleteFunctions" within "index.js".

Affected products

serialize-javascript: before 3.1.0 — fixed in 3.1.0
Npm Serialize-Javascript: before 3.1.0 — fixed in 3.1.0

How to fix

Upgrade to a fixed version: serialize-javascript 3.1.0; Npm Serialize-Javascript 3.1.0. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2020-7660 or the next vulnerability affects your stack