Security readout for executives and security teams
Plain-English summary
This CVE affects the WordPress Custom Field Template plugin through version 2.5.9. An unauthenticated attacker could abuse reflected XSS if a user is tricked into interacting with a malicious request. Business risk is mainly browser-side compromise, session misuse, or content manipulation on affected WordPress sites.
Executive priority
Treat as high priority where the plugin is installed on public WordPress sites. The issue is not confirmed as actively exploited in the provided sources, but unauthenticated reflected XSS can still create meaningful account and content integrity risk.
Technical view
CVE-2023-38392 is a CWE-79 reflected cross-site scripting issue in Hiroaki Miyashita Custom Field Template for WordPress, reported for versions <= 2.5.9. CVSS 3.1 is 7.1 with network attack vector, low complexity, no privileges required, user interaction required, and changed scope.
Likely exposure
Exposure is limited to WordPress sites running the Custom Field Template plugin version 2.5.9 or earlier. The source bundle does not identify affected CPEs or hosting-specific conditions.
Exploitation context
The source bundle marks KEV as false and provides no evidence of active exploitation. The CVSS vector indicates exploitation is remote and unauthenticated, but requires user interaction, consistent with reflected XSS risk.
Researcher notes
Evidence is sparse beyond the CVE metadata and Patchstack reference. Validate exact vulnerable parameters and fixed-version guidance from authoritative advisory content before making claims. Do not assume active exploitation or broader product impact from the supplied data.
Mitigation direction
- Inventory WordPress sites for the Custom Field Template plugin.
- Confirm whether installed versions are 2.5.9 or earlier.
- Check vendor, WordPress plugin, or Patchstack guidance for a fixed release.
- Update, disable, or remove the plugin if no confirmed fix is available.
- Prioritize sites with admin users or authenticated workflows exposed to untrusted links.
Validation and detection
- Review WordPress plugin inventory across production and staging sites.
- Record each Custom Field Template plugin version found.
- Confirm remediation status against vendor or Patchstack advisory details.
- Review web access logs for suspicious requests targeting plugin-related paths.
- Verify no affected version remains after update, disablement, or removal.
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-2023-38392 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.