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CVE Record

CVE-2023-51484: WordPress Login as User or Customer plugin <= 3.8 - Unauthenticated Account Takeover vulnerability

Improper 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.

CriticalCVSS 9.8Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

This vulnerability can let an unauthenticated attacker take over accounts through the WordPress Login as User or Customer plugin. For a business, that can mean unauthorized access to user data, site administration, content changes, and disruption if the affected plugin is installed and reachable.

Executive priority

Treat as urgent for any public WordPress site using this plugin. Confirm exposure quickly, remove or vendor-patch affected installations, and review for unauthorized account activity before assuming the risk is closed.

Technical view

CVE-2023-51484 is an improper authentication flaw in wp-buy Login as User or Customer (User Switching), package login-as-customer-or-user, affecting versions through 3.8. The CVSS 3.1 score is 9.8 with network attack vector, low complexity, no privileges, and no user interaction required.

Likely exposure

Exposure is limited to WordPress sites that have the Login as User or Customer (User Switching) plugin installed and enabled at version 3.8 or earlier. The provided sources do not identify other affected products or platforms.

Exploitation context

The source bundle does not show CISA KEV listing, active exploitation, or confirmed exploit availability. Risk is still severe because the vulnerability is unauthenticated, remotely reachable, low complexity, and described as account takeover or privilege escalation.

Researcher notes

The evidence identifies CWE-287 improper authentication and affected versions through 3.8, but does not include root-cause detail, proof-of-concept status, exploit telemetry, or a named fixed version. Avoid assuming active exploitation without additional cited evidence.

Mitigation direction

  • Inventory WordPress sites for Login as User or Customer (User Switching).
  • Disable or remove the plugin on exposed sites until vendor-confirmed guidance is applied.
  • If a fixed release exists, update to that vendor-confirmed version immediately.
  • Review privileged WordPress accounts and rotate credentials where compromise is suspected.
  • Monitor vendor and Patchstack guidance for remediation details.

Validation and detection

  • Confirm whether package login-as-customer-or-user is installed and enabled.
  • Check plugin version; treat version 3.8 and earlier as affected.
  • Review WordPress users for unexpected administrators or account changes.
  • Review audit and web logs for unusual authentication or account-switching activity.
  • Verify remediation by confirming removal, disablement, or vendor-confirmed fixed version.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-287: Credential and account abuse lookup

Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
description · low confidence lookup

Privilege behavior lookup

The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2023-51484 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.8 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
9.8CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

9.8Critical
CVSS 3.1 vector shape for CVE-2023-51484Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
wp-buyLogin as User or Customer (User Switching)login-as-customer-or-user, n/aunaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-287 · source CWE mapping

Improper Authentication

Improper Authentication represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.