CVE-2022-37616 — A prototype pollution vulnerability exists in the function copy in dom

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 th

01What is this vulnerability?

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…

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-10-11T00:00:00.000Z
• Last modified: 2024-08-03T10:29:21.029Z

09References

• github.com — https://github.com/xmldom/xmldom/blob/bc36efddf9948aba15618f85dc1addfc2ac9d7b2/l…
• github.com — https://github.com/xmldom/xmldom/blob/bc36efddf9948aba15618f85dc1addfc2ac9d7b2/l…
• github.com — https://github.com/xmldom/xmldom/issues/436
• github.com — https://github.com/xmldom/xmldom/security/advisories/GHSA-9pgh-qqpf-7wqj
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2022/10/msg00023.html
• dl.acm.org — https://dl.acm.org/doi/abs/10.1145/3488932.3497769
• dl.acm.org — https://dl.acm.org/doi/pdf/10.1145/3488932.3497769
• users.encs.concordia.ca — http://users.encs.concordia.ca/~mmannan/publications/JS-vulnerability-aisaccs202…
• github.com — https://github.com/xmldom/xmldom/issues/436#issuecomment-1319412826
• github.com — https://github.com/xmldom/xmldom/issues/436#issuecomment-1327776560