CVE-2023-51484
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 · uneditedImproper Authentication vulnerability in wp-buy Login as User or Customer (User Switching) allows Privilege Escalation.This issue affects Login as User or Customer (User Switching): from n/a through 3.8.
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 confidenceImproper authentication in the wp-buy Login as User or Customer (User Switching) plugin allows attackers to bypass authentication controls and elevate their privileges to access other user accounts, including administrative accounts. This enables complete site compromise without valid credentials.
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
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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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Confirm plugin is installedCheck if the Login as User or Customer (User Switching) plugin exists in the WordPress plugins directory at /wp-content/plugins/ or list it via WP-CLI with 'wp plugin list --status=active'Affected if The plugin appears in the active plugins list
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Identify the installed versionRead the plugin version from the main plugin file header (typically login-as-user-customer-user-switching.php) in the plugins directory, or run 'wp plugin get login-as-user-customer-user-switching --format=json' if using WP-CLIAffected if The version number returned is lower than 3.9 (e.g., 3.8.x, 3.7.x, etc.)
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Verify the authentication bypass is exploitableThe vulnerability affects the user switching functionality. Confirm the 'Login as User' or 'User Switching' feature is enabled in the plugin settings. Check for any 'allow frontend switching' or similar authentication-relaxing settings that may be activeAffected if The user switching feature is enabled and the plugin version is below 3.9
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Review admin-level user accountsList all user accounts with Administrator role using 'wp user list --role=administrator' or via WordPress admin Users panel. Look for unfamiliar accounts, accounts created recently, or accounts with suspicious usernamesAffected if There are admin accounts you did not create or cannot account for
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Check for suspicious user sessionsReview user session logs or the wp_usermeta table for unexpected last-login times or sessions belonging to unknown users. Use 'wp user list --fields=ID,user_login,user_email,user_registered,last_update' to identify anomaliesAffected if Recent activity or sessions exist from unknown or unauthorized user accounts
If the Login as User or Customer plugin is installed at a version below 3.9 and the user switching feature is enabled, the environment is affected by this improper authentication vulnerability.
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 the Login as User or Customer plugin to version 3.9 or later. If an update is unavailable, disable the plugin immediately and review user accounts for unauthorized administrative access.
- Consultation2.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-51484 — 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-2023-51484 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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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