RCE in Erzhongxmu Jeewms

CVE-2026-3028

A vulnerability was determined in erzhongxmu JEEWMS up to 3.7. This vulnerability affects the function doAdd of the file src/main/java/com/jeecg/demo/controller/JeecgListDemoController.java. This manipulation of the argument Name causes cross site scripting. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (40.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.6% 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-2026-3028: held from 0.003 to 0.005.

EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-3028?
CVE-2026-3028 is a medium-severity vulnerability in Erzhongxmu Jeewms, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-02-23.
How severe is CVE-2026-3028?
Medium severity. CVSS v3 base score is 4.3 out of 10.