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.
Published: 2026-05-15
Score: 6.4 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 15 May 2026 11:45:00 +0000

Type Values Removed Values Added
First Time appeared Justinkruit
Justinkruit advanced Custom Fields:font Awesome Field
Wordpress
Wordpress wordpress
Vendors & Products Justinkruit
Justinkruit advanced Custom Fields:font Awesome Field
Wordpress
Wordpress wordpress

Fri, 15 May 2026 11:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 15 May 2026 09:00:00 +0000

Type Values Removed Values Added
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.
Title Advanced Custom Fields: Font Awesome Field <= 5.0.2 - Authenticated (Subscriber+) Stored Cross-Site Scripting via JSON Field
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}


Subscriptions

Justinkruit Advanced Custom Fields:font Awesome Field
Wordpress Wordpress
cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-05-15T11:09:04.014Z

Reserved: 2026-04-15T23:52:53.449Z

Link: CVE-2026-6415

cve-icon Vulnrichment

Updated: 2026-05-15T11:08:56.921Z

cve-icon NVD

Status : Deferred

Published: 2026-05-15T09:16:17.117

Modified: 2026-05-15T14:09:15.910

Link: CVE-2026-6415

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-15T11:30:43Z

Weaknesses