Is CVE-2023-0842 in the CISA KEV catalog?

No. CVE-2023-0842 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-0842?

CVE-2023-0842 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2023-0842?

CVE-2023-0842 has an EPSS score of 1.40% (69th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-0842?

Upgrade node-xml2js on debian 11 to 0.2.8-1.1+deb11u1 or later.

CVE & CISA-KEV Catalog

CVE-2023-0842

MEDIUM

5.3

CVSS v3

NVD

Description

xml2js version 0.4.23 allows an external attacker to edit or add new properties to an object. This is possible because the application does not properly validate incoming JSON keys, thus allowing the __proto__ property to be edited.

CWE-1321

How to fix

Remediation Available

node-xml2jsDebian

Fixed in:0.2.8-1.1+deb11u1CVE-2023-0842

Fixed in:0.4.23+~cs15.4.0+dfsg-7CVE-2023-0842

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Exploit Intelligence

1.40%probability of exploitation in 30 days

69thpercentile

Moderate risk: more likely to be exploited than 69% of all known CVEs.

References

Exploit1

fluidattacks.com

Product1

github.com

Other references2

Related Vulnerabilities

Other CWE-1321 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0230	Critical	9.8	97%	-	-
CVE-2019-11358	Medium	6.1	87%	-	Fix
CVE-2020-7774	High	7.3	69%	-	Fix
CVE-2022-24760	Critical	10.0	49%	-	Fix
CVE-2022-39396	Critical	9.8	39%	-	Fix
CVE-2022-2564	Critical	9.8	33%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-09-24.