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CVE Record

CVE-2023-40603: WordPress Simple Org Chart plugin <= 2.3.4 - Broken Access Control vulnerability

Missing Authorization vulnerability in Gangesh Matta Simple Org Chart.This issue affects Simple Org Chart: from n/a through 2.3.4.

MediumCVSS 5.3Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

A WordPress plugin used to display organization charts has a missing authorization issue. An unauthenticated network attacker could make a limited unauthorized change, but the cited CVSS data shows no confidentiality or availability impact.

Executive priority

Treat this as a moderate-priority web hygiene issue. It is not presented as actively exploited, but unauthenticated integrity impact on public WordPress sites warrants timely inventory and remediation.

Technical view

CVE-2023-40603 is a CWE-862 missing authorization vulnerability in Gangesh Matta Simple Org Chart through version 2.3.4. The CVSS 3.1 vector is AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N, indicating remote, unauthenticated, low-complexity access with limited integrity impact.

Likely exposure

Exposure appears limited to WordPress sites running the Simple Org Chart plugin at version 2.3.4 or earlier. The provided sources do not identify other affected products or confirmed affected CPEs.

Exploitation context

The source bundle does not show CISA KEV listing or any cited evidence of active exploitation. It supports only the existence of a remotely reachable broken access control flaw with limited integrity impact.

Researcher notes

Available public details are sparse. The record identifies missing authorization, affected versions through 2.3.4, CWE-862, and CVSS 5.3. No exploit mechanics, fixed version, or concrete mitigation are included in the provided sources.

Mitigation direction

  • Inventory WordPress sites for the simple-org-chart plugin.
  • Remove or disable the plugin where it is not business-required.
  • Check vendor, WordPress, or Patchstack guidance for a fixed or mitigated release.
  • Apply any confirmed vendor update after normal backup and testing.
  • Monitor relevant WordPress content for unauthorized organization chart changes.

Validation and detection

  • Confirm whether Simple Org Chart is installed on each WordPress site.
  • Record the installed plugin version and flag 2.3.4 or earlier.
  • Review change history for unexpected organization chart modifications.
  • Verify the plugin is removed, disabled, or updated per vendor guidance.
  • Document remaining exposed sites and ownership for remediation tracking.
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-2023-40603 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
Medium
CVSS
5.3 (3.1)
Known Exploited
No
Published

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

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
5.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N3.91.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.3Medium
CVSS 3.1 vector shape for CVE-2023-40603Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
Gangesh MattaSimple Org Chartsimple-org-chart, n/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.