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CVE Record

CVE-2023-45649: WordPress Appointment Hour Booking plugin <= 1.4.23 - Broken Access Control vulnerability

Missing Authorization vulnerability in codepeople Appointment Hour Booking appointment-hour-booking allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Appointment Hour Booking: from n/a through <= 1.4.23.

MediumCVSS 5.3Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This is a medium-severity access-control flaw in the WordPress Appointment Hour Booking plugin. Affected sites using version 1.4.23 or earlier may allow unauthorized actions that can change data, but the sources do not indicate data theft or service disruption impact.

Executive priority

Handle as a routine but timely WordPress plugin remediation. The issue is not listed as known exploited in the provided sources, but unauthenticated remote access and possible data modification make delayed inventory risky.

Technical view

CVE-2023-45649 is a missing authorization issue, mapped to CWE-862, in codepeople Appointment Hour Booking through 1.4.23. CVSS 3.1 is 5.3: network exploitable, low complexity, no privileges or user interaction required, unchanged scope, low integrity impact only.

Likely exposure

Exposure is most likely on internet-facing WordPress sites with the Appointment Hour Booking plugin installed at version 1.4.23 or earlier. Sites without this plugin, or with versions outside the affected range, are not shown as affected by the provided sources.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation evidence. The CVSS vector indicates unauthenticated remote reachability and low complexity, but only limited integrity impact is stated. No exploit details are provided in the cited sources.

Researcher notes

Evidence is limited to CVE metadata and Patchstack’s vulnerability entry. The bundle does not include endpoint details, proof of concept, fixed version, or vendor advisory text. Avoid assuming exploitation or a specific patch until vendor or Patchstack guidance confirms it.

Mitigation direction

  • Inventory WordPress sites for the Appointment Hour Booking plugin and installed version.
  • Treat version 1.4.23 or earlier as affected unless vendor guidance says otherwise.
  • Check Patchstack and vendor guidance for fixed-version or mitigation instructions.
  • If no safe version is confirmed, consider disabling the plugin where business impact allows.
  • Monitor appointment and plugin data for unauthorized changes.

Validation and detection

  • Confirm whether Appointment Hour Booking is installed on each WordPress site.
  • Compare the installed plugin version with the affected range: 1.4.23 or earlier.
  • Review CVE and Patchstack records for any updated affected-version or remediation details.
  • Check administrative and booking records for unexpected modifications.
  • Confirm remediation decisions are documented for each exposed site.
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-2023-45649 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-2023-45649Attack 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
codepeopleAppointment Hour Bookingappointment-hour-booking, 0unaffected
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.