Unrestricted File UploadWeakness · CWE-434

CVE-2025-53213

CRITICAL · 9.9 CVSS v3.1 Published 2025-08-20
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Unrestricted Upload of File with Dangerous Type vulnerability in ELEXtensions ReachShip WooCommerce Multi-Carrier & Conditional Shipping elex-reachship-multi-carrier-conditional-shipping allows Using Malicious Files.This issue affects ReachShip WooCommerce Multi-Carrier & Conditional Shipping: from n/a through <= 4.3.1.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

Unrestricted file upload vulnerability in ReachShip WooCommerce Multi-Carrier & Conditional Shipping plugin allows attackers to upload malicious files (potentially executable scripts) to the server. This could enable remote code execution and full server compromise.

MitigationImmediately restrict file upload functionality to whitelist only safe file types, implement proper authentication/authorization checks on upload endpoints, disable PHP/executable permissions in upload directories, and upgrade to a patched version when available.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Confirm plugin installation
    Navigate to WordPress admin > Plugins and locate ReachShip WooCommerce Multi-Carrier & Conditional Shipping in the installed plugins list
    Affected if The plugin appears in the installed plugins list
  2. Check installed version
    View the plugin details page in WordPress admin or inspect the plugin main file header for the Version field
    Affected if The reported version is 4.3.1 or lower
  3. Verify file upload feature usage
    Check plugin settings pages for any file import, CSV upload, or document upload functionality that may be enabled
    Affected if File upload or import features are configured or active in the plugin settings
  4. Inspect upload directory location
    Examine the wp-content/uploads directory for any subdirectories created by this plugin and verify if they are web-accessible
    Affected if Uploaded files are stored in a directory accessible via HTTP/HTTPS

You are affected if the ReachShip plugin is installed at version 4.3.1 or lower and file upload functionality is active with files stored in a web-accessible location

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Immediately restrict file upload functionality to whitelist only safe file types, implement proper authentication/authorization checks on upload endpoints, disable PHP/executable permissions in upload directories, and upgrade to a patched version when available.

Have this fixed Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing3.0 h
  • Review / QA2.0 h
11.0 hours of engineering $1,930
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2025-53213 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-53213 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data