What is CVE-2023-6745?

CVE-2023-6745 is a medium-severity vulnerability in Hiroaki-Miyashita Custom Field Template, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2024-06-11.

How severe is CVE-2023-6745?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Hiroaki-Miyashita Custom Field Template

CVE-2023-6745

The Custom Field Template plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'cpt' shortcode in all versions up to, and including, 2.6.1 due to insufficient input sanitization and output escaping on user supplied post meta. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2024-06-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (15.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 15.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Hiroaki-Miyashita Custom Field Template — versions 0
Wpgogo Custom Field Template

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.wordfence.com/threat-intel/vulnerabilities/id/25d07a99-d425-4e1a-8adf-d1207… (Third Party Advisory)
plugins.trac.wordpress.org/changeset (Patch)

Frequently asked questions

What is CVE-2023-6745?: CVE-2023-6745 is a medium-severity vulnerability in Hiroaki-Miyashita Custom Field Template, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2024-06-11.
How severe is CVE-2023-6745?: Medium severity. CVSS v3 base score is 6.4 out of 10.