Security readout for executives and security teams
Plain-English summary
This is a low-severity WordPress plugin issue in WpDevArt Booking calendar, Appointment Booking System through version 3.2.3. An unauthenticated attacker may manipulate hidden booking parameters that the site assumes are trustworthy, causing limited integrity impact. The provided sources do not show confidentiality loss, service outage, or confirmed active exploitation.
Executive priority
Handle through normal vulnerability management unless the site depends on public bookings for revenue or trust-sensitive workflows. Prioritize inventory and plugin update checks, but current evidence supports low business urgency because impact is limited and active exploitation is not reported in the provided sources.
Technical view
CVE-2023-24373 is CWE-472: External Control of Assumed-Immutable Web Parameter. The affected plugin may trust hidden web parameters, allowing bypass or manipulation of booking-related values. CVSS 3.1 is 3.7 with network attack vector, high attack complexity, no privileges or user interaction, and low integrity impact only.
Likely exposure
Exposure is limited to WordPress sites running WpDevArt Booking calendar, Appointment Booking System version 3.2.3 or earlier, especially where public booking forms are reachable. Sites not using this plugin, or using unaffected versions, are not indicated as exposed by the provided sources.
Exploitation context
The source bundle does not identify public exploitation, proof-of-concept availability, or CISA KEV listing. The CVSS vector indicates remote unauthenticated reachability, but high attack complexity and only limited integrity impact. Treat exploitation status as unconfirmed unless vendor or threat-intelligence sources provide new evidence.
Researcher notes
Evidence is limited to the CVE data and Patchstack reference. The key security concern is server-side trust in hidden client-controlled parameters. Do not assume broader privilege escalation, data theft, or availability impact from the provided record. Additional vendor details are needed to confirm the exact fixed version and affected code path.
Mitigation direction
- Inventory WordPress sites for the booking-calendar plugin and installed version.
- Update the plugin if vendor guidance identifies a fixed release.
- If no fixed version is available, disable the plugin or restrict public booking forms.
- Review booking workflow settings for reliance on client-side hidden fields.
- Monitor booking records for unexpected field changes or inconsistent values.
Validation and detection
- Confirm whether the plugin version is 3.2.3 or earlier.
- Verify public booking pages are reachable from the internet.
- Review recent bookings for suspicious parameter-driven changes.
- Check vendor and Patchstack advisory pages for current remediation guidance.
- Confirm controls are in place after update, disablement, or restriction.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-472: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupCVE-2023-24373 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Low
- CVSS
- 3.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N2.21.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
3.7LowVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
External Control of Assumed-Immutable Web Parameter
External Control of Assumed-Immutable Web Parameter represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.