CVE-2026-6415

Medium

Description

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 construction in the update_preview() JavaScript function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

SeverityMedium
CVSS6.4
Exploit probability—
ProductAdvanced Custom Fields: Font Awesome Field
PublishedMay 15, 2026
First seenMay 15, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
justinkruit Advanced Custom Fields: Font Awesome Fieldv ≤ 5.0.2—

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CVE-2026-6415 · Advanced Custom Fields: Font Awesome Field · Dark Radar