Cross Site Scripting Vulnerability in erzhongxmu JEEWMS's UEditor Component
CVE-2026-3027

5.3MEDIUM

Key Information:

Vendor

Erzhongxmu

Status
Jeewms
Vendor
CVE Published:
23 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-3027?

A cross site scripting vulnerability has been identified in the erzhongxmu JEEWMS platform, specifically within the UEditor component. This vulnerability resides in the 'getContent.jsp' file, where improper handling of the 'myEditor' argument can lead to the execution of arbitrary JavaScript in the context of the user's browser. Attackers can exploit this issue remotely, potentially affecting a wide range of users. Notably, the exploit details have been publicly released, prompting immediate attention. Despite early notification to the vendor regarding this vulnerability, no response has been received.

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Affected Version(s)

JEEWMS 3.0

JEEWMS 3.1

JEEWMS 3.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-3027 - Proof of Concept

References

https://vuldb.com/?id.347383
vdb-entrytechnical-description
https://vuldb.com/?ctiid.347383
signaturepermissions-required
https://vuldb.com/?submit.756523
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

din4 (VulDB User)
JSON
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