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CVE Record

CVE-2023-47874: WordPress Perfmatters Plugin <= 2.1.6 is vulnerable to Broken Access Control

Missing Authorization vulnerability in Perfmatters.This issue affects Perfmatters: from n/a through 2.1.6.

MediumCVSS 5.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

Perfmatters for WordPress through 2.1.6 has a missing authorization flaw. A logged-in user with limited privileges may be able to perform actions they should not, affecting site integrity or availability. This is not rated critical, but it matters for sites with many contributors, subscribers, or shared admin workflows.

Executive priority

Treat as a moderate-priority WordPress plugin issue. Prioritize sites with many user accounts or externally accessible login. This is not currently supported as actively exploited, but delayed remediation can leave shared-user sites exposed to unauthorized changes.

Technical view

CVE-2023-47874 is CWE-862 missing authorization in Perfmatters. The CVSS 3.1 score is 5.4: network exploitable, low complexity, low privileges required, no user interaction, with low integrity and availability impact and no confidentiality impact.

Likely exposure

Exposure is most likely on WordPress sites running Perfmatters version 2.1.6 or earlier, especially where non-admin authenticated users exist. The supplied sources do not list specific vulnerable endpoints, roles, or configurations.

Exploitation context

The CVE is not in KEV, and the supplied sources do not confirm active exploitation. CVSS indicates exploitation requires authenticated low-privilege access, so risk increases on public membership, contributor, customer, or multi-user WordPress sites.

Researcher notes

Public detail in the supplied bundle is limited to missing authorization, affected versions through 2.1.6, CWE-862, and CVSS metrics. Do not assume endpoint details, proof-of-concept availability, or a specific fixed release without vendor or Patchstack confirmation.

Mitigation direction

  • Identify all WordPress sites using the Perfmatters plugin.
  • Check whether any installation runs Perfmatters 2.1.6 or earlier.
  • Consult Perfmatters or Patchstack guidance for a confirmed fixed version.
  • Reduce unnecessary WordPress user accounts and privileged roles.
  • Monitor for unexpected Perfmatters or site configuration changes.

Validation and detection

  • Inventory plugin versions across production, staging, and managed WordPress hosts.
  • Confirm whether vulnerable sites allow low-privilege authenticated users.
  • Review WordPress audit logs for unusual plugin setting changes.
  • Verify remediation against vendor or Patchstack release guidance.
  • Document affected sites, owners, and remediation status.
Prepared
Confidence
medium
Sources
3

Public sources used

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-2023-47874 mapping review

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

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.4 (3.1)
Known Exploited
No
Published

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

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
5.4CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L2.82.5Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.4Medium
CVSS 3.1 vector shape for CVE-2023-47874Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
PerfmattersPerfmattersn/aunaffected
Weakness

CWE details

CWE-862

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