Unrestricted File UploadWeakness · CWE-434

CVE-2026-45444

CRITICAL · 10.0 CVSS v3.1 Published 2026-05-20
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 No privileges 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 WP Swings Gift Cards For WooCommerce Pro allows Using Malicious Files. This issue affects Gift Cards For WooCommerce Pro: from n/a through 4.2.6.

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 · high confidence

The WP Swings Gift Cards For WooCommerce Pro plugin versions up to 4.2.6 contain an unrestricted file upload vulnerability that allows attackers to upload malicious files (e.g., PHP shells) to the server. This can lead to remote code execution and complete site compromise.

MitigationImplement strict server-side file type validation (whitelist approach), verify file content/magic bytes, store uploads outside web root, disable script execution in upload directories, and ensure proper capability checks and nonces on upload functionality.

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
None
User interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/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. Verify plugin installation
    Access WordPress admin dashboard, navigate to Plugins section, and look for 'Gift Cards For WooCommerce Pro' by WP Swings. Alternatively, check the /wp-content/plugins/ directory for a folder containing 'gift-cards-for-woocommerce' or similar naming.
    Affected if The plugin is installed and active in the WordPress environment
  2. Check installed version
    In WordPress admin, go to Plugins > Installed Plugins > Gift Cards For WooCommerce Pro and note the version number displayed. Compare against the affected range: versions up to and including 4.2.6
    Affected if Installed version is 4.2.6 or lower
  3. Confirm upload functionality is accessible
    Navigate to the plugin settings in WooCommerce > Gift Cards. Look for upload or import features that allow users to upload files such as custom gift card templates, CSV imports, or media attachments.
    Affected if The upload feature is present and enabled on the site
  4. Inspect upload directories for suspicious files
    Check the WordPress upload directory (typically /wp-content/uploads/) and any plugin-specific upload folders. Look for unexpected file types such as .php, .phtml, .exe, .sh, or other executable extensions.
    Affected if Any PHP files, executables, or scripts are found in upload directories that were not intentionally placed there

A site is affected if the WP Swings Gift Cards For WooCommerce Pro plugin is installed with version 4.2.6 or lower and the file upload feature is accessible and being used.

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

Implement strict server-side file type validation (whitelist approach), verify file content/magic bytes, store uploads outside web root, disable script execution in upload directories, and ensure proper capability checks and nonces on upload functionality.

Have this fixed Scoped from the published advisory
  • Consultation3.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA2.0 h
17.0 hours of engineering $3,000
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2026-45444 — 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-2026-45444 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