CVE-2026-19697 GutenKit < 2.5.0 - Author+ Stored XSS via SVG Upload

Medium 6.8 Published Updated

Attackers with upload privileges can inject malicious scripts via SVG files, leading to stored XSS attacks against administrators and other users.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-19697?

CVE-2026-19697 is a medium-severity cross-site scripting vulnerability in Unknown GutenKit, published on 20 Aug 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-79

Which versions are affected by CVE-2026-19697?

How do I fix CVE-2026-19697?

No fix has been published for CVE-2026-19697 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-19697 being exploited?

There is no known exploitation of CVE-2026-19697 in the wild and no public exploit code.

Sources

Also known as GHSA-wx8r-3g94-mv2j.

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