CVE-2022-45966

CRITICALNVD 9.89.8—

9.8

here is an arbitrary file upload vulnerability in the file management function module of Classcms3.5.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 57.3%
KEV: Not listed

Published

December 22, 2022

Last Modified

April 15, 2025

Advisory Details (1)

Auto-updated May 25, 2026

No patch confirmed yet.

generic

GitHub - yinfei6/classcms · GitHub

https://github.com/yinfei6/classcms

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 11× in last 7d / 20× 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.

2026-06-05 06:09 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
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2026-05-31 22:29 UTCepss_batch
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2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
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
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2022-45966?

CVE-2022-45966 is a critical vulnerability published on December 22, 2022. here is an arbitrary file upload vulnerability in the file management function module of Classcms3.5.

When was CVE-2022-45966 disclosed?

CVE-2022-45966 was first published in the National Vulnerability Database on December 22, 2022, with the most recent update on April 15, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-45966 actively exploited?

CVE-2022-45966 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 57.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-45966?

CVE-2022-45966 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2022-45966?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-45966, 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

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CVE-2022-45966

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

GitHub - yinfei6/classcms · GitHub

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-45966?

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Advisory Details (1)

Frequently asked(5)

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