CVE-2026-40747
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 Ecommerce Zone <= 0.9.7 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 · moderate confidenceThis is an authenticated arbitrary file upload vulnerability in Ecommerce Zone versions 0.9.7 and below, allowing subscriber-level users to upload files of their choosing. The CVSS 9.9 rating indicates severe impact, likely Remote Code Execution (RCE) if the uploaded files are web-accessible.
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.
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Determine installed Ecommerce Zone versionLocate the version file, admin dashboard version display, or check the application header/footer for version metadata. Common paths include version.php, composer.json, or a version constant in core files.Affected if Installed version is 0.9.7 or lower.
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Confirm file upload functionality is enabledNavigate to the admin settings panel and verify if any file upload or media upload feature is active. Check configuration files for upload-related flags (e.g., enable_uploads, allow_file_upload).Affected if File upload functionality is turned on in the application settings.
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Verify subscriber role has upload permissionsAccess the user role/permissions management section in the admin panel. Examine the subscriber role capabilities to see if file upload or media upload is granted.Affected if Subscriber-level accounts are assigned the ability to upload files.
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Check upload directory web accessibilityInspect the configured upload path in settings or upload code. Determine if the directory is located within the public web root (htdocs, public_html, /var/www/html).Affected if Uploaded files are stored in a directory accessible via HTTP/HTTPS.
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Inspect server-side file type validationReview the upload handler script for mime type, extension, or content-type validation logic. Look for allowlists or blocklists in the upload processing code.Affected if No strict server-side validation exists, or validation can be bypassed by subscriber users.
You are affected if your Ecommerce Zone installation is version 0.9.7 or below AND subscriber users can upload files AND those uploads are web-accessible.
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 dataUpgrade to a patched version > 0.9.7. If no patch exists, disable file upload functionality for subscriber roles or implement strict server-side file type validation, rename files to non-executable extensions, and store uploads outside the web root.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA3.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-40747 — 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-2026-40747 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
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- 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