Security readout for executives and security teams
Plain-English summary
This is a reflected cross-site scripting issue in the WordPress Booking Calendar Contact Form plugin through version 1.2.40. An attacker could trick a user into opening a crafted link, causing script execution in that user’s browser. Business impact depends on who is targeted and what WordPress privileges they hold.
Executive priority
Treat as a high-priority WordPress hygiene issue for public sites. It is not confirmed actively exploited in the provided evidence, but unauthenticated reflected XSS can affect administrators and customers if they are lured to malicious links.
Technical view
CVE-2023-36384 is an unauthenticated reflected XSS vulnerability in CodePeople Booking Calendar Contact Form, package booking-calendar-contact-form, reported for versions <= 1.2.40. CVSS 3.1 is 7.1 with network attack vector, low complexity, no privileges required, user interaction required, and changed scope. CWE mapping is CWE-79.
Likely exposure
Exposure is limited to WordPress sites running CodePeople Booking Calendar Contact Form version 1.2.40 or earlier. The source bundle does not identify other affected products or affected CPEs.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. Exploitation requires user interaction, typically a victim opening attacker-controlled content that reflects script through the vulnerable plugin.
Researcher notes
Evidence is sparse beyond the CVE and Patchstack entry. Do not assume a patch version, exploit availability, or broader product impact from this bundle. Key validation is version-based exposure assessment for CodePeople Booking Calendar Contact Form <= 1.2.40.
Mitigation direction
- Inventory WordPress sites for the booking-calendar-contact-form plugin.
- Check whether installed versions are 1.2.40 or earlier.
- Review CodePeople and Patchstack guidance for a fixed version or official workaround.
- Disable or remove the plugin where it is not business-critical.
- Prioritize remediation on public sites with administrator or customer access.
Validation and detection
- Confirm plugin slug and version from WordPress administration or asset inventory.
- Verify whether affected public pages expose Booking Calendar Contact Form functionality.
- After remediation, confirm the vulnerable version is no longer present.
- Review web access logs for suspicious requests to plugin-related form endpoints.
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-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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-2023-36384 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
- High
- CVSS
- 7.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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:L/PR:N/UI:R/S:C/C:L/I:L/A:L2.83.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.1HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.