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CVE-2026-19698

LOW 3.5 CVSS 3.1
Published
September 2, 2026
Last modified
September 3, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-74
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N

Description

The GutenKit WordPress plugin before 2.5.1 does not validate or escape style settings saved against a post before using them to build the CSS it outputs on the front end, allowing users with the Contributor role and above to inject arbitrary CSS into pages served to other users and to anonymous visitors. JavaScript execution is not possible at that role, so the impact is limited to defacement, interface redressing and forcing external resources to load.

Affected WordPress components

  • GutenKit – Page Builder Blocks, Patterns, and Templates for Gutenberg Block Editor Plugin · gutenkit-blocks-addon
    Confirmed match Active
    Before 2.5.1
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown GutenKit — Before 2.5.1

References

  • wpscan.com https://wpscan.com/vulnerability/0e6cd37e-3004-498d-8d8d-21617138888a/
  • nvd.nist.gov Official NVD record