What is CVE-2022-21144?

CVE-2022-21144 is a high-severity vulnerability in Libxmljs Project, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2022-05-01.

How severe is CVE-2022-21144?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Libxmljs Project

CVE-2022-21144

This affects all versions of package libxmljs. When invoking the libxmljs.parseXml function with a non-buffer argument the V8 code will attempt invoking the .toString method of the argument. If the argument's toString value is not a Function object V8 will crash.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2022-05-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.019 (79.1th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: +0.000

Affected products

Libxmljs Project
Libxmljs — versions 0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

snyk.io/vuln/SNYK-JS-LIBXMLJS-2348756 (Exploit, Third Party Advisory)
github.com/libxmljs/libxmljs/pull/594 (Patch, Third Party Advisory)
github.com/libxmljs/libxmljs/commit/2501807bde9b38cfaed06d1e140487516d91379d (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-21144?: CVE-2022-21144 is a high-severity vulnerability in Libxmljs Project, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2022-05-01.
How severe is CVE-2022-21144?: High severity. CVSS v3 base score is 7.5 out of 10.