CVE-2026-40283

Name: CVE-2026-40283
Creator: NVD / NIST
Published: 2026-04-17T20:16:35.793+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.6/10EPSS 0.20%

Last modified Jun 17, 2026

CVE-2026-40283 is a high-severity vulnerability rated 7.6/10 on the CVSS scale. 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. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.6/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N

EPSS Probability

0.20%

10.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Wegia	Wegia	< 3.6.10

References

https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-x74c-gwj9-6cwrExploit, Vendor Advisory

Timeline

Published: Apr 17, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-40283?

How severe is CVE-2026-40283?

CVE-2026-40283 has a CVSS score of 7.6/10 (HIGH severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.

How do I fix CVE-2026-40283?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-40283?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST