FastdupWordPress extension · Ninjateam
CVE-2023-51406
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 · uneditedExposure of Sensitive Information to an Unauthorized Actor vulnerability in Ninja Team FastDup – Fastest WordPress Migration & Duplicator.This issue affects FastDup – Fastest WordPress Migration & Duplicator: from n/a through 2.1.7.
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 confidenceThe vulnerability allows unauthorized actors to access sensitive information in the FastDup WordPress plugin. This is an information disclosure issue in a migration/duplication plugin, which typically handles sensitive data like database credentials, file contents, and configuration details.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data
FastdupWordPress extension
<= 2.1.7CVSS 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
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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 Fastdup plugin versionNavigate to WordPress admin dashboard > Plugins > Installed Plugins > Ninjateam Fastdup and note the version number displayedAffected if The displayed version is 2.1.7 or lower
-
Locate plugin directoryAccess the WordPress installation via file manager or FTP and navigate to /wp-content/plugins/fastdup/Affected if The plugin directory exists and contains files from version 2.1.7 or earlier (check file timestamps or version files if accessible)
-
Inspect for exposed migration filesCheck for backup, export, or migration-related files in the plugin directory or wp-content/uploads/ that may contain sensitive dataAffected if Any migration, backup, or export files are present and publicly accessible via web request
-
Verify sensitive data exposureAttempt to access common sensitive file paths such as config files, database credentials, or exported data within the plugin directoryAffected if Sensitive configuration details, credentials, or data exports can be retrieved without authentication
You are affected if the installed Fastdup plugin version is 2.1.7 or lower and sensitive migration/duplication data is accessible without authorization.
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 FastDup plugin to version 2.1.8 or later. If immediate update is not possible, restrict access to the plugin's administrative interfaces and monitor for unauthorized access attempts.
Fix this in Fastdup
Scoped from the published advisory
- Consultation2.0 h
- Implementation2.0 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 $1,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-51406 — 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-2023-51406 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