CVE-2026-17019 JetEngine < 3.8.13.1 - Unauthenticated Stored XSS via Form File Upload (SVG)
Unauthenticated attackers can upload malicious SVG files to execute JavaScript in victims' browsers via stored XSS in the JetEngine plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-17019?
CVE-2026-17019 is a medium-severity cross-site scripting vulnerability in Unknown JetEngine, published on 10 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The JetEngine WordPress plugin before 3.8.13.1 does not sanitise uploaded SVG files before storing and serving them, and does not adequately restrict who can upload them, allowing unauthenticated attackers to upload a file containing malicious JavaScript that executes in the browser of any user who opens it (Stored Cross-Site Scripting).
Weakness: CWE-79
Which versions are affected by CVE-2026-17019?
How do I fix CVE-2026-17019?
No fix has been published for CVE-2026-17019 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-2026-17019 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-17019 exists.
Sources
Also known as GHSA-g5mm-h736-h3g3.