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CVE Record

CVE-2023-51472: WordPress Checkout Mestres WP plugin <= 7.1.9.7 - Unauthenticated Account Takeover vulnerability

Improper Authentication vulnerability in Mestres do WP Checkout Mestres WP allows Privilege Escalation.This issue affects Checkout Mestres WP: from n/a through 7.1.9.7.

CriticalCVSS 9.8Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

This CVE describes a critical unauthenticated account takeover risk in the WordPress Checkout Mestres WP plugin. A public site running an affected version could allow an outside attacker to gain elevated access without credentials. The source bundle does not provide a confirmed fixed version.

Executive priority

Treat as urgent for any public WordPress site using this checkout plugin. The issue can affect account control without credentials, but urgency depends on confirming actual plugin deployment because the bundle does not prove broad exposure or active exploitation.

Technical view

CVE-2023-51472 is an Improper Authentication issue, CWE-287, in Mestres do WP Checkout Mestres WP. The bundle states versions through 7.1.9.7 are affected, with CVSS 3.1 score 9.8 and network, low-complexity, unauthenticated characteristics. Patchstack’s referenced title mentions 7.1.9.6, creating a version-boundary inconsistency.

Likely exposure

Exposure is likely limited to WordPress sites with the Checkout Mestres WP plugin installed, especially public checkout sites running versions through 7.1.9.7. The bundle provides no CPEs and incomplete package metadata, so asset discovery may require WordPress plugin inventory.

Exploitation context

The CVSS vector indicates remote unauthenticated attack potential with high confidentiality, integrity, and availability impact. The source bundle marks CISA KEV as false and provides no cited evidence of active exploitation, public exploit code, or observed campaigns.

Researcher notes

Use caution with version interpretation: the CVE text says through 7.1.9.7, while the Patchstack URL title references 7.1.9.6. No patch version, exploit status, or detailed root-cause path is provided in the bundle.

Mitigation direction

  • Identify all WordPress sites using Checkout Mestres WP.
  • Check vendor, WordPress, and Patchstack guidance for a fixed version.
  • Disable or remove the plugin if no safe update is available.
  • Prioritize internet-facing checkout sites and administrator-heavy WordPress instances.
  • Review recent user, role, and administrator account changes.

Validation and detection

  • Inventory plugin slug checkout-mestres-wp across WordPress assets.
  • Confirm installed versions and compare against through 7.1.9.7.
  • Check whether affected sites are publicly reachable.
  • Review WordPress users for unexpected administrators or role changes.
  • Inspect authentication and account-management logs for suspicious activity.
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-2023-51472 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-2023-51472Attack 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
Mestres do WPCheckout Mestres WPcheckout-mestres-wp, n/aunaffected
Weakness

CWE details

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