Unrestricted Upload Vulnerability in jackq XCMS Web Application
CVE-2025-15109

6.9MEDIUM

Key Information:

Vendor

Jackq

Status
Xcms
Vendor
CVE Published:
27 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15109?

A significant vulnerability has been identified in jackq XCMS that allows for unrestricted file uploads through the 'upload.php' script located in the Public/javascripts/admin/plupload-2.1.2/examples directory. This flaw enables remote attackers to upload malicious files, potentially leading to further exploitation of the affected systems. Despite prior notifications regarding this issue, the development team has yet to respond or release a patch. The nature of the rolling release process for this product complicates the availability of specific version details for affected or updated releases.

Affected Version(s)

XCMS 3fab5342cc509945a7ce1b8ec39d19f701b89261

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-2025-15109 - Proof of Concept

References

https://vuldb.com/?id.338480
vdb-entry
https://vuldb.com/?ctiid.338480
signaturepermissions-required
https://vuldb.com/?submit.711696
third-party-advisory

CVSS V4

Score:
6.9
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

formanagain (VulDB User)
JSON
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CVE-2025-15109 : Unrestricted Upload Vulnerability in jackq XCMS Web Application