Review reviewCritical

CVE-2018-25436

Shipster Baggage Freight Shipping Australia

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.

CVSS: 9.3
EPSS: 0.66%
CISA KEV: Not listed
Published: 2026.06.15

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.66%

Technical severityCVSS 9.3

Vulnerability overview

Affected product and versions

Product: Shipster Baggage Freight Shipping Australia
Affected versions: 0.1.0
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Shipster Baggage Freight Shipping Australia and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE: CWE-434