Advanced Custom Fields (ACF®)

CVE-2026-110813: The Advanced Custom Fields (ACF®) WordPress plugin before 6.8.11 does not properly sanitize a stored field definition that can be modified through its comment h

CVE-2026-110813 Nov 6, 2026 Source: Vendor

The Advanced Custom Fields (ACF®) WordPress plugin before 6.8.11 does not properly sanitize a stored field definition that can be modified through its comment handling, allowing unauthenticated users to inject a payload that is emitted as an HTML attribute name and executed as JavaScript in the browser of any visitor or administrator who views a page rendering the affected field.

Source of record The credited names below are quoted verbatim from the vendor's own advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-110813

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Credited

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CVE-2026-110813 BR2026-0000-042835 unclaimed

Credited as Jakub Herman