XSS in Gutenkit

CVE-2026-19697

The GutenKit WordPress plugin before 2.5.0 does not sanitise uploaded SVG files on all of the upload paths it enables, allowing users with the file upload capability, such as Author, to upload a malicious SVG and perform Stored Cross-Site Scripting attacks against any user opening it, including administrators.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H.

Affected products

  • Unknown Gutenkit

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-19697?
CVE-2026-19697 is a medium-severity vulnerability in Gutenkit, classified under Cross-site Scripting. CVSS score: 6.8/10. Published 2026-08-20.
How severe is CVE-2026-19697?
Medium severity. CVSS v3 base score is 6.8 out of 10.