What is CVE-2023-43226?

CVE-2023-43226 is a high-severity vulnerability in Dedecms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-09-28.

How severe is CVE-2023-43226?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in Dedecms

CVE-2023-43226

An arbitrary file upload vulnerability in dede/baidunews.php in DedeCMS 5.7.111 and earlier allows attackers to execute arbitrary code via uploading a crafted PHP file.

Vulnerability class: Unrestricted File Upload

Published 2023-09-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (59.8th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.001

Affected products

Dedecms

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/zzq66/cve/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-43226?: CVE-2023-43226 is a high-severity vulnerability in Dedecms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-09-28.
How severe is CVE-2023-43226?: High severity. CVSS v3 base score is 8.8 out of 10.