What is CVE-2023-29657?

CVE-2023-29657 is a high-severity vulnerability in Extplorer, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-05-12.

How severe is CVE-2023-29657?

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

Arbitrary file upload in Extplorer

CVE-2023-29657

eXtplorer 2.1.15 is vulnerable to Insecure Permissions. File upload in file manager allows uploading zip file containing php pages with arbitrary code executions.

Vulnerability class: Unrestricted File Upload

Published 2023-05-12 · 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: 0.011 (64.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Extplorer — versions 2.1.15

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

extplorer.net/ (Product)
blog.tristaomarinho.com/extplorer-2-1-15-arbitrary-file-upload/ (Exploit)

Frequently asked questions

What is CVE-2023-29657?: CVE-2023-29657 is a high-severity vulnerability in Extplorer, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-05-12.
How severe is CVE-2023-29657?: High severity. CVSS v3 base score is 8.8 out of 10.