CVE-2026-79419 Cross-site scripting in n/a
An authenticated attacker can inject arbitrary JavaScript via the mensagem parameter in the Images configuration endpoint, leading to code execution in victim browsers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-79419?
CVE-2026-79419 is a high-severity cross-site scripting vulnerability in n/a, published on 4 Sep 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A reflected cross-site scripting (XSS) vulnerability exists in EMX Tecnologia Gestao X Business Suite 8.4 and earlier. The vulnerability is caused by insufficient validation and sanitization of the mensagem parameter in the /Configuracao/Imagens.aspx endpoint, allowing an authenticated attacker to inject arbitrary JavaScript code that is reflected and executed in the context of a victim's browser.
Weakness: CWE-79
Which versions are affected by CVE-2026-79419?
It affects 1 product.
Products include Emxtecnologia Gestao X Business Suite.
How do I fix CVE-2026-79419?
No fix has been published for CVE-2026-79419 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-2026-79419 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-79419 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-8mh7-rg8h-phf4.