CVE-2026-40283 — Cross-Site Scripting (XSS)
CVE-2026-40283 — 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
What This Means For You
- If your environment is affected by CWE-79, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-40283 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
1 rules · 6 SIEM formats1 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
Stored XSS in WeGIA 'Nome' field — CVE-2026-40283
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-40283 | vulnerability | CVE-2026-40283 |
| CWE-79 | weakness | CWE-79 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 17, 2026 at 23:16 UTC |
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