CVE-2026-40284 — Other Users Cross-Site Scripting (XSS)
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CVE-2026-40284 — 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 "Destinatário" field. The payload is stored and later executed when viewing the disp
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-2026-40284 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 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 via WeGIA Destinatário Field — CVE-2026-40284
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-40284 | vulnerability | CVE-2026-40284 |
| CWE-79 | weakness | CWE-79 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 18, 2026 at 00:16 UTC |
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