What is CVE-2026-6415?

CVE-2026-6415 is a medium-severity vulnerability in Justinkruit Advanced Custom Fields: Font Awesome Field, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-05-15.

How severe is CVE-2026-6415?

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

XSS in Justinkruit Advanced Custom Fields: Font Awesome Field

CVE-2026-6415

The Advanced Custom Fields: Font Awesome plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to and including 5.0.2. This is due to insufficient input validation of JSON field values and unsafe client-side HTML…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (12.5th percentile) — read the EPSS interpretation.

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.

Affected products

Justinkruit Advanced Custom Fields: Font Awesome Field — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-6415?: CVE-2026-6415 is a medium-severity vulnerability in Justinkruit Advanced Custom Fields: Font Awesome Field, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-05-15.
How severe is CVE-2026-6415?: Medium severity. CVSS v3 base score is 6.4 out of 10.