CVE-2026-40748
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 · uneditedSubscriber Arbitrary File Upload in Kids Gift Shop <= 0.5.4 versions.
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 confidenceThe Kids Gift Shop WordPress plugin versions 0.5.4 and below contains an arbitrary file upload vulnerability that allows authenticated users with subscriber-level privileges to upload any file type to the server. This critical flaw likely stems from missing authorization checks and inadequate file type validation in the upload functionality, potentially enabling remote code execution.
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 checksWork through these to decide whether this CVE applies to you.
-
Identify if Kids Gift Shop plugin is installedNavigate to WordPress admin dashboard > Plugins > Installed Plugins and search for 'Kids Gift Shop', or inspect the /wp-content/plugins/ directory for a folder named 'kids-gift-shop' or similarAffected if The plugin is present in the WordPress installation
-
Determine installed plugin versionIn Plugins list, click on the plugin details link for Kids Gift Shop and note the version number displayed, or check the plugin's main PHP file for the 'Version' header in the plugin comment blockAffected if The version is 0.5.4 or lower
-
Verify subscriber-level user accounts existNavigate to WordPress admin > Users and review the user list to confirm if any accounts with 'Subscriber' role existAffected if At least one subscriber-level user account is present on the site
-
Check if upload functionality is accessible to subscribersInspect the plugin code for upload handlers (typically in files named upload.php, handle_upload, wp_ajax_, or form handlers accepting file uploads) and verify if capability checks allow 'subscriber' role access, or test by attempting a file upload request with a subscriber accountAffected if The upload endpoint accepts requests from authenticated users with subscriber role without proper authorization checks
-
Audit for suspicious uploaded filesSearch web-accessible directories (/wp-content/uploads/, /wp-content/, /media/) for unexpected file types (especially .php, .phtml, .js, .exe, .sql) that were not intentionally uploaded by administratorsAffected if Unexpected executable or script files are found in upload directories that were not explicitly authorized
You are affected if the Kids Gift Shop plugin version 0.5.4 or below is installed AND subscriber-level user accounts exist on your WordPress site.
Generated from the published advisory. Verify against your own configuration.
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 dataUpdate Kids Gift Shop to the latest version immediately, or if no patch is available, remove the plugin entirely. Additionally, audit the site for any malicious files that may have been uploaded and consider resetting credentials for all user accounts.
- Consultation1.0 h
- Implementation1.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,376.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-40748 — 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 sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-40748 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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.
- 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