CVSS v3
7.5
HIGH
EPSS Score
1.9 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2022-05-01
Frequently asked questions
What is 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.
Is CVE-2022-21144 actively exploited?
Active exploitation of CVE-2022-21144 has not been confirmed. Its EPSS score was 1.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-21144?
CVE-2022-21144 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2022-21144 affecting your environment?
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