CVE-2026-40283 WeGIA has stored XSS in profile_paciente.php
An authenticated user can inject malicious JavaScript via the patient name field, leading to stored XSS execution when viewed.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-40283?
CVE-2026-40283 is a medium-severity cross-site scripting vulnerability in Wegia Wegia, published on 17 Apr 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
WeGIA is a web manager for charitable institutions. In versions prior to 3.6.10, a Stored Cross-Site Scripting (XSS) vulnerability allows an authenticated user to inject malicious JavaScript via the "Nome" field in the "Informações Pacientes" page. The payload is stored and executed when the patient information is viewed. Version 3.6.10 fixes the issue.
Weakness: CWE-79
Which versions are affected by CVE-2026-40283?
It affects 1 product.
Products include Wegia Wegia.
How do I fix CVE-2026-40283?
No fix has been published for CVE-2026-40283 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-2026-40283 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-40283 exists.
Other vulnerabilities in Wegia Wegia
- CVE-2026-28409 WeGIA Vulnerable to Remote Code Execution (RCE) via OS Command Injection
- CVE-2025-58745 WeGIA has a bypass for the fix for CVE-2025-22133 - Arbitrary File Upload leads to Remote Code Execution (RCE)
- CVE-2025-58159 WeGIA Authenticated Arbitrary File Upload Leading To Remote Code Execution (RCE)
- CVE-2025-55169 WeGIA Path Traversal at endpoint 'html/socio/sistema/download_remessa.php' via parameter 'file'
- CVE-2025-53823 WeGIA vulnerable to SQL Injection (Blind Time-Based) in `processa_deletar_socio.php` parameter `id_socio`
Sources
Also known as GHSA-x74c-gwj9-6cwr.