Deserialization Vulnerability in PluXml Media Management Module
CVE-2025-15438

5.1MEDIUM

Key Information:

Vendor

PluXml

Status
Pluxml
Vendor
CVE Published:
2 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15438?

A vulnerability exists in the Media Management Module of PluXml versions up to 5.8.22, specifically within the function FileCookieJar::__destruct located in core/admin/medias.php. This flaw allows attackers to manipulate the File argument, potentially leading to deserialization attacks that can be executed remotely. The issue has been publicly disclosed, and users are advised to update to version 5.8.23 where the vendor has provided a patch to mitigate the risks associated with this vulnerability.

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Affected Version(s)

PluXml 5.8.0

PluXml 5.8.1

PluXml 5.8.2

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-2025-15438 - Proof of Concept

References

https://vuldb.com/?id.339383
vdb-entrytechnical-description
https://vuldb.com/?ctiid.339383
signaturepermissions-required
https://vuldb.com/?submit.713989
third-party-advisory

CVSS V4

Score:
5.1
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

V3geD4g (VulDB User)
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