What is CVE-2025-29287?

CVE-2025-29287 is a critical-severity vulnerability in Mingsoft Mcms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2025-04-21.

How severe is CVE-2025-29287?

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

Arbitrary file upload in Mingsoft Mcms

CVE-2025-29287

An arbitrary file upload vulnerability in the ueditor component of MCMS v5.4.3 allows attackers to execute arbitrary code via uploading a crafted file.

Vulnerability class: Unrestricted File Upload

Published 2025-04-21 · last modified 2026-07-05.

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 (53.9th percentile), scored 2026-09-25.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.008 · change: +0.001

Affected products

Mingsoft Mcms — versions 5.4.3

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

cms.com (Product)
gitee.com/mingSoft/MCMS/issues/IBOOTX (Exploit, Issue Tracking)
gist.github.com/erdan111/38dcb5150b523436fe01249b2542f02f (Third Party Advisory)

Frequently asked questions

What is CVE-2025-29287?: CVE-2025-29287 is a critical-severity vulnerability in Mingsoft Mcms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2025-04-21.
How severe is CVE-2025-29287?: Critical severity. CVSS v3 base score is 9.8 out of 10.