XML External Entity Injection Vulnerability in Bestfeng OA Git Free
CVE-2025-13209

5.3MEDIUM

Key Information:

Vendor

Bestfeng

Status
Oa Git Free
Vendor
CVE Published:
15 November 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-13209?

A vulnerability has been identified in the Bestfeng OA Git Free application, specifically impacting versions up to 9.5. The flaw lies in the 'updateWriteBack' function within the WorkflowPredefineController.java file. This weakness allows attackers to manipulate the 'writeProp' argument, resulting in an XML External Entity (XXE) reference. The consequences of this vulnerability include the possibility of remote code execution or exposure of internal files. Since the exploit has been made publicly available, it poses a significant risk to users of the affected product.

Affected Version(s)

oa_git_free 9.0

oa_git_free 9.1

oa_git_free 9.2

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-2025-13209 - Proof of Concept

References

https://vuldb.com/?id.332528
vdb-entrytechnical-description
https://vuldb.com/?ctiid.332528
signaturepermissions-required
https://vuldb.com/?submit.685626
third-party-advisory

CVSS V4

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

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

youran (VulDB User)
JSON
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CVE-2025-13209 : XML External Entity Injection Vulnerability in Bestfeng OA Git Free