What’s Vulnerable › Vulnerabilities

CVE-2023-6701: Advanced Custom Fields <= 6.2.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom Field

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-05 · updated 2026-06-17
• Weakness: CWE-79

Description

The Advanced Custom Fields (ACF) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via a custom text field in all versions up to, and including, 6.2.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• WP Engine Advanced Custom Fields: through 6.2.4

References

• https://plugins.trac.wordpress.org/changeset/3022469/advanced-custom-fields
• https://www.advancedcustomfields.com/blog/acf-6-2-5-security-release/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/e3593dfd-7b2a-4d01-8af0-725b444dc81b?source=cve
• https://plugins.trac.wordpress.org/changeset/3022469/advanced-custom-fields
• https://www.advancedcustomfields.com/blog/acf-6-2-5-security-release/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/e3593dfd-7b2a-4d01-8af0-725b444dc81b?source=cve

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