What is CVE-2022-46020?

CVE-2022-46020 is a critical-severity vulnerability in Wbce Cms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2022-12-20.

How severe is CVE-2022-46020?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Wbce Cms

CVE-2022-46020

WBCE CMS v1.5.4 can implement getshell by modifying the upload file type.

Vulnerability class: Unrestricted File Upload

Published 2022-12-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.390 (98.5th percentile), scored 2026-09-28.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.390 · newest: 0.390 · change: 0.000

Affected products

Wbce Cms — versions 1.5.4

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/10vexh/Vulnerability/blob/main/WBCE CMS v1.5.4 getshell.pdf (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-46020?: CVE-2022-46020 is a critical-severity vulnerability in Wbce Cms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2022-12-20.
How severe is CVE-2022-46020?: Critical severity. CVSS v3 base score is 9.8 out of 10.