CVE-2026-106933 Blaze Demo Importer < 1.0.17 - Author+ Stored XSS via SVG Upload
Authenticated authors can upload malicious SVG files to execute arbitrary JavaScript in other users' browsers via stored XSS.
- 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-2026-106933?
CVE-2026-106933 is a medium-severity cross-site scripting vulnerability in Unknown Blaze Demo Importer, published on 19 Oct 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Blaze Demo Importer WordPress plugin before 1.0.17 does not sanitize uploaded SVG files and registers the SVG MIME type for the WordPress media library unconditionally, allowing authenticated users with the Author role or higher to upload a crafted SVG that executes arbitrary JavaScript in the browser of any user who opens the file.
Weakness: CWE-79
Which versions are affected by CVE-2026-106933?
How do I fix CVE-2026-106933?
No fix has been published for CVE-2026-106933 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-2026-106933 being exploited?
There is no known exploitation of CVE-2026-106933 in the wild and no public exploit code.
Sources
Also known as GHSA-753r-w3pv-4492.