Arbitrary file upload in Nasatheme Flozen

CVE-2025-49071

Unrestricted Upload of File with Dangerous Type vulnerability in NasaTheme Flozen flozen-theme allows Upload a Web Shell to a Web Server.This issue affects Flozen: from n/a through < 1.5.1.

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (42.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-49071: held from 0.004 to 0.005.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-49071?
CVE-2025-49071 is a critical-severity vulnerability in Nasatheme Flozen, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 10.0/10. Published 2025-06-17.
How severe is CVE-2025-49071?
Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2025-49071 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.