WordPress Plugin Baggage Freight Shipping Australia 0.1.0 contains an unrestricted file upload vulnerability that allows unauthenticated attackers to upload arbitrary files by exploiting the upload-package.php endpoint. Attackers can submit POST requests with malicious file extensions to the upload handler, which moves files without validation to the plugin upload directory, enabling remote code execution.
Security readout for executives and security teams
Plain-English summary
CVE-2018-25436 affects the WordPress plugin Baggage Freight Shipping Australia version 0.1.0. An unauthenticated attacker can upload arbitrary files through the plugin’s upload handler. Sources describe potential remote code execution, meaning a compromised site could be taken over. No cited source confirms active exploitation in the wild.
Executive priority
Prioritize internet-facing WordPress sites immediately. The business risk is full website compromise, data theft, malware hosting, or service disruption. If the plugin is present, remove or disable it until authoritative vendor remediation is confirmed.
Technical view
The issue is CWE-434 unrestricted file upload in upload-package.php. The handler reportedly moves uploaded files into the plugin upload directory without sufficient validation, allowing dangerous file types. The CVSS 3.1 score is 9.8 because exploitation is remote, unauthenticated, low complexity, and can impact confidentiality, integrity, and availability.
Likely exposure
Exposure is limited to WordPress sites running Shipster Baggage Freight Shipping Australia plugin version 0.1.0. Internet-facing WordPress sites are higher risk because the vulnerable endpoint is unauthenticated. The sources do not identify other affected versions.
Exploitation context
A public ExploitDB reference exists, and VulnCheck describes the vulnerability. However, the source bundle marks CISA KEV as false, and no provided source states active exploitation. Treat as high priority because the flaw is unauthenticated and may enable remote code execution.
Researcher notes
Evidence is based on the CVE record, VulnCheck advisory, WordPress plugin reference, and ExploitDB listing. The sources describe version 0.1.0 only. No patch version, vendor fix, or active exploitation evidence is provided in the source bundle.
Mitigation direction
Identify WordPress sites using Baggage Freight Shipping Australia plugin version 0.1.0.
Disable or remove the vulnerable plugin if it is not required.
Check WordPress.org, the vendor site, and VulnCheck for updated vendor guidance.
Review affected sites for signs of unauthorized uploaded files.
Validation and detection
Confirm whether the plugin is installed and record its version.
Inspect web logs for requests to upload-package.php.
Review the plugin upload directory for unexpected executable or script files.
Verify the plugin is removed, disabled, or otherwise remediated per vendor guidance.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · medium confidence lookup
CWE-434: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
2CVSS vectors
3Timeline events
0ADP providers
5Source links
CVSS vector scores
2 official scores
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-434 · source CWE mapping
Unrestricted Upload of File with Dangerous Type
Unrestricted Upload of File with Dangerous Type represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.