What is CVE-2023-52044?

CVE-2023-52044 is a critical-severity vulnerability in Std42 Elfinder, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2024-10-31.

How severe is CVE-2023-52044?

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

Arbitrary file upload in Std42 Elfinder

CVE-2023-52044

Studio-42 eLfinder 2.1.62 is vulnerable to Remote Code Execution (RCE) as there is no restriction for uploading files with the .php8 extension.

Vulnerability class: Unrestricted File Upload

Published 2024-10-31 · 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: 0.008 (54.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Std42 Elfinder — versions 2.1.62

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/Studio-42/elFinder/issues/3615 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2023-52044?: CVE-2023-52044 is a critical-severity vulnerability in Std42 Elfinder, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2024-10-31.
How severe is CVE-2023-52044?: Critical severity. CVSS v3 base score is 9.8 out of 10.