Which versions of Java are affected by CVE-2026-3028?

Organizations using erzhongxmu JEEWMS should be aware of moderate risk from CVE-2026-3028, a cross-site scripting vulnerability rated CVSS 4.3.

Is there a public PoC exploit available for CVE-2026-3028?

Yes, a public proof-of-concept exploit is available for CVE-2026-3028. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-3028?

Within 30 days: Identify affected systems running erzhongxmu JEEWMS and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Java CVE-2026-3028

Q: What is the CVSS score of CVE-2026-3028?

CVE-2026-3028 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

LOW

Cross-site Scripting (XSS) (CWE-79)

2026-02-23 cna@vuldb.com

XSS Java Jeewms Huayi Tec

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

4.3 (MEDIUM) 2.1 (LOW)

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Feb 26, 2026 - 03:05 vuln.today

Public exploit code

CVE Published

Feb 23, 2026 - 22:16 nvd

MEDIUM 4.3

DescriptionCVE.org

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.

AnalysisAI

Cross-site scripting (XSS) in the doAdd function of Jeewms up to version 3.7 allows unauthenticated remote attackers to inject malicious scripts through the Name parameter. Public exploit code exists for this vulnerability, and the vendor has not released patches or responded to disclosure attempts. An attacker can exploit this via a user interaction to perform actions in the context of the affected application.

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Jeewms. 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.

RemediationAI

Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.