Arbitrary file upload in Jeesite

CVE-2025-7864

A vulnerability was found in thinkgem JeeSite up to 5.12.0. It has been classified as critical. This affects the function Upload of the file src/main/java/com/jeesite/modules/file/web/FileUploadController.java. The manipulation leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 3585737d21fe490ff6948d913fcbd8d99c41fc08. It is recommended to apply a patch to fix this issue.

EPSS: 0.003 (22.6th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-7864?
CVE-2025-7864 is a medium-severity vulnerability in Jeesite, classified under Improper Access Control. CVSS score: 6.3/10. Published 2025-07-20.
How severe is CVE-2025-7864?
Medium severity. CVSS v3 base score is 6.3 out of 10.
Is CVE-2025-7864 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.