Unrestricted Upload Vulnerability in Jiusi OA by Jiusi
CVE-2025-13249

5.3MEDIUM

Key Information:

Vendor

Jiusi

Status
Oa
Vendor
CVE Published:
16 November 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-13249?

A security vulnerability in Jiusi OA versions up to 20251102 has been identified, which allows remote attackers to exploit the OfficeServer Interface component. By manipulating the 'FileData' argument in the '/OfficeServer?isAjaxDownloadTemplate=false' endpoint, attackers can achieve unrestricted file uploads. This vulnerability poses significant risks as it can allow attackers to upload arbitrary files, potentially leading to further compromises within the system.

Affected Version(s)

OA 20251102

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-2025-13249 - Proof of Concept

References

https://vuldb.com/?id.332583
vdb-entrytechnical-description
https://vuldb.com/?ctiid.332583
signaturepermissions-required
https://vuldb.com/?submit.687599
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

2075463979 (VulDB User)
JSON
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CVE-2025-13249 : Unrestricted Upload Vulnerability in Jiusi OA by Jiusi