CVE-2019-25356 Bematech Printer MP-4200 TH Cross-Site Scripting
Attackers can inject malicious scripts into the admin page of Bematech MP-4200 TH printers, potentially hijacking authenticated user sessions.
- 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-2019-25356?
CVE-2019-25356 is a medium-severity cross-site scripting vulnerability in Bematech MP-4200 TH, published on 18 Feb 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
Bematech (formerly Logic Controls, now Elgin) MP-4200 TH printer contains a cross-site scripting vulnerability in the admin configuration page. Attackers can inject malicious scripts via crafted POST requests with malformed 'admin' and 'person' parameters, allowing execution of arbitrary JavaScript in the context of an authenticated user's browser session.
Weakness: CWE-79
Which versions are affected by CVE-2019-25356?
How do I fix CVE-2019-25356?
No fix has been published for CVE-2019-25356 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-2019-25356 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-25356 exists.
Sources
Also known as GHSA-ffp3-q8wm-h894.