GutenKit

CVE-2026-114427: The GutenKit WordPress plugin before 2.5.5 does not properly sanitize custom CSS saved against a post before printing it inside an inline style block on the pu

CVE-2026-114427 Nov 6, 2026 Source: Vendor

The GutenKit WordPress plugin before 2.5.5 does not properly sanitize custom CSS saved against a post before printing it inside an inline style block on the published page, allowing users with the Author role and above to break out of the style element and store JavaScript that executes in the browser of any visitor who views the post. Exploitation affects sites running WordPress below 7.0.

Source of record The credited names below are quoted verbatim from the vendor's own advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-114427

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CVE-2026-114427 BR2026-0000-042841 unclaimed

Credited as Karthik