Arbitrary file upload in Ideacms

CVE-2025-4291

A vulnerability, which was classified as critical, was found in IdeaCMS up to 1.6. Affected is the function saveUpload. The manipulation leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (32.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.4% 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-2025-4291: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

  • Ideacms
  • Ideacms — versions 1.0, 1.1, 1.2

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-4291?
CVE-2025-4291 is a medium-severity vulnerability in Ideacms, classified under Improper Access Control. CVSS score: 6.3/10. Published 2025-05-05.
How severe is CVE-2025-4291?
Medium severity. CVSS v3 base score is 6.3 out of 10.
Is CVE-2025-4291 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.