PT-2026-41276 · WordPress · Advanced Custom Fields: Font Awesome Field

Published 2026-05-15 · Updated 2026-05-15 · CVE-2026-6415

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Advanced Custom Fields: Font Awesome versions prior to 5.0.3

Description The Advanced Custom Fields: Font Awesome plugin for WordPress contains a Stored Cross-Site Scripting issue. This occurs because of insufficient input validation of JSON field values and unsafe client-side HTML construction within the update preview() JavaScript function. Authenticated attackers with Subscriber-level access or higher can inject arbitrary web scripts into pages, which then execute when a user visits the affected page.

Recommendations Update the plugin to a version later than 5.0.2.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-6415

Affected Products

Advanced Custom Fields: Font Awesome Field

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2026-6415 · Security Note
• https://plugins.trac.wordpress.org/browser/advanced-custom-fields-font-awesome/tags/5.0.2/assets/js/input-v6.js#L11 · Note
• https://t.me/cveNotify/163591 · Telegram Post
• https://plugins.trac.wordpress.org/browser/advanced-custom-fields-font-awesome/tags/5.0.2/assets/js/input-v6.js#L12 · Note
• https://plugins.trac.wordpress.org/changeset/3525840 · Note
• https://plugins.trac.wordpress.org/browser/advanced-custom-fields-font-awesome/trunk/assets/js/input-v6.js#L11 · Note
• https://plugins.trac.wordpress.org/browser/advanced-custom-fields-font-awesome/trunk/assets/js/input-v6.js#L12 · Note
• https://t.me/CVEtracker/53897 · Telegram Post
• https://wordfence.com/threat-intel/vulnerabilities/id/a7a53ba2-e983-4821-b3de-105a96b7cb0e?source=cve · Note