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)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.004 (35.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-19697: held from 0.003 to 0.004.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

  • 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.