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CVE Record

CVE-2023-51672: WordPress FunnelKit Checkout plugin <= 3.10.3 - Unauthenticated Arbitrary Post/Page Deletion vulnerability

Missing Authorization vulnerability in FunnelKit FunnelKit Checkout.This issue affects FunnelKit Checkout: from n/a through 3.10.3.

HighCVSS 7.5Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

A vulnerable FunnelKit Checkout WordPress plugin can let an unauthenticated attacker delete posts or pages. For an ecommerce or lead-generation site, this can cause public content loss, broken funnels, and operational disruption without requiring a login.

Executive priority

Treat this as a high-priority website availability issue, especially for revenue-generating funnels. Confirm exposure quickly, update according to vendor guidance, and verify content backups are usable.

Technical view

CVE-2023-51672 is a CWE-862 missing authorization issue in FunnelKit Checkout through version 3.10.3. The CVSS 3.1 score is 7.5 with network access, low complexity, no privileges, and no user interaction required, with high availability impact.

Likely exposure

Internet-facing WordPress sites using FunnelKit Checkout version 3.10.3 or earlier are the likely exposure. The bundle does not provide CPEs, install counts, exact vulnerable endpoints, or confirmed fixed version metadata.

Exploitation context

The source bundle marks KEV as false and provides no cited evidence of active exploitation. Risk remains meaningful because the vulnerability is unauthenticated, remotely reachable, and low complexity if the vulnerable plugin is installed.

Researcher notes

Evidence is limited to CVE metadata and Patchstack’s vulnerability entry. The bundle supports unauthenticated arbitrary post/page deletion and affected versions through 3.10.3, but not exploit-in-the-wild status or detailed remediation mechanics.

Mitigation direction

  • Inventory WordPress sites for FunnelKit Checkout or WooFunnels Aero Checkout.
  • Prioritize any installation running version 3.10.3 or earlier.
  • Check FunnelKit and Patchstack guidance for the fixed or recommended version.
  • Back up site content before plugin remediation work.
  • Temporarily restrict public access if immediate update guidance is unavailable.

Validation and detection

  • Confirm plugin name and version from WordPress administration or asset inventory.
  • Check whether any site runs FunnelKit Checkout version 3.10.3 or earlier.
  • Review content deletion logs and recent page or post changes.
  • Verify backups can restore deleted WordPress posts and pages.
  • Recheck vendor guidance after remediation for any additional steps.
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-862: Authorization and privilege behavior lookup

Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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
cve · low confidence lookup

CVE-2023-51672 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
High
CVSS
7.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2023-51672Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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
FunnelKitFunnelKit Checkoutn/aunaffected
Weakness

CWE details

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

CWE-862 · source CWE mapping

Missing Authorization

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