Permissive Cross-Domain Policy Vulnerability in itwanger paicoding Software
CVE-2025-4839

2.3LOW

Key Information:

Vendor

Itwanger

Status
Paicoding
Vendor
CVE Published:
17 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-4839?

A significant vulnerability has been detected in itwanger paicoding versions 1.0.0 through 1.0.3, stemming from the CrossUtil.java file. This vulnerability allows for a permissive cross-domain policy that exposes the application to untrusted domains, potentially allowing remote attackers to exploit this weakness. Although the complexity of executing an attack is high, the potential for exploitation remains a concern, given the public disclosure of the exploit. Organizations utilizing these versions should take immediate measures to mitigate this risk.

Affected Version(s)

paicoding 1.0.0

paicoding 1.0.1

paicoding 1.0.2

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-2025-4839 - Proof of Concept

References

https://vuldb.com/?id.309307
vdb-entry
https://vuldb.com/?ctiid.309307
signaturepermissions-required
https://vuldb.com/?submit.574826
third-party-advisory

CVSS V4

Score:
2.3
Severity:
LOW
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ShenxiuSecurity (VulDB User)
.