What is CVE-2025-3830?

CVE-2025-3830 is a medium-severity vulnerability in Kuangstudy Kuangsimplebbs, classified under Improper Access Control. CVSS score: 6.3/10. Published 2025-04-20.

How severe is CVE-2025-3830?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Arbitrary file upload in Kuangstudy Kuangsimplebbs

CVE-2025-3830

A vulnerability was found in kuangstudy KuangSimpleBBS 1.0. It has been declared as critical. Affected by this vulnerability is the function fileUpload of the file src/main/java/com/kuang/controller/QuestionController.java. The manipulation of the argument editormd-image-file leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

EPSS: 0.005 (38.6th percentile) — read the EPSS interpretation.

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.

Affected products

Kuangstudy Kuangsimplebbs — versions 1.0

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
cna@vuldb.com (Exploit, exploit)

Frequently asked questions

What is CVE-2025-3830?: CVE-2025-3830 is a medium-severity vulnerability in Kuangstudy Kuangsimplebbs, classified under Improper Access Control. CVSS score: 6.3/10. Published 2025-04-20.
How severe is CVE-2025-3830?: Medium severity. CVSS v3 base score is 6.3 out of 10.