Arbitrary file upload in Mossle Lemon

CVE-2025-9406

A weakness has been identified in xuhuisheng lemon up to 1.13.0. This affects the function uploadImage of the file CmsArticleController.java of the component com.mossle.cms.web.CmsArticleController.uploadImage. This manipulation of the argument Upload causes unrestricted upload. The attack can be initiated remotely. The exploit has been made available to the public and could be exploited.

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 (29.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.4% 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-2025-9406: held from 0.004 to 0.004.

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

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-9406?
CVE-2025-9406 is a medium-severity vulnerability in Mossle Lemon, classified under Improper Access Control. CVSS score: 6.3/10. Published 2025-08-25.
How severe is CVE-2025-9406?
Medium severity. CVSS v3 base score is 6.3 out of 10.