CVE-2022-42043

CRITICALNVD 9.89.8—

9.8

The d8s-xml package for Python, as distributed on PyPI, included a potential code-execution backdoor inserted by a third party. The backdoor is the democritus-html package. The affected version is 0.1.0.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 65.0%
KEV: Not listed

Published

October 11, 2022

Last Modified

May 19, 2025

References (6)

cve@mitrehttps://github.com/dadadadada111/info/issues/5
cve@mitrehttps://pypi.org/project/d8s-xml/
cve@mitrehttps://pypi.org/project/democritus-html/
af854a3a-2127-422b-91ae-364da2661108https://github.com/dadadadada111/info/issues/5
af854a3a-2127-422b-91ae-364da2661108https://pypi.org/project/d8s-xml/
af854a3a-2127-422b-91ae-364da2661108https://pypi.org/project/democritus-html/

Affected Packages

(2 across 1 ecosystem)

PyPI(2)

Package	Vulnerable range	Fixed in	Dependents
d8s-xml	0.1.0 ... 0.8.0 (10 versions)	—	—
democritus-html	2021.1.25	—	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-434Unrestricted Upload of File with Dangerous Type

Data Freshness Timeline

(refreshed 7× in last 7d / 7× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-25 13:58 UTCEG score recompute
2026-05-25 13:58 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2022-42043?

CVE-2022-42043 is a critical vulnerability published on October 11, 2022. The d8s-xml package for Python, as distributed on PyPI, included a potential code-execution backdoor inserted by a third party. The backdoor is the democritus-html package. The affected version is 0.1.0.

When was CVE-2022-42043 disclosed?

CVE-2022-42043 was first published in the National Vulnerability Database on October 11, 2022, with the most recent update on May 19, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-42043 actively exploited?

CVE-2022-42043 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 65.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-42043?

CVE-2022-42043 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2022-42043?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-42043, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-42043

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