CVE-2026-40284

Received Received - Intake

Stored XSS in WeGIA Web Manager Allows Malicious Script Injection

Publication date: 2026-04-17

Last updated on: 2026-04-17

Assigner: GitHub, Inc.

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 "Destinatário" field. The payload is stored and later executed when viewing the dispatch page, impacting other users. Version 3.6.10 fixes the issue.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-04-17

Last Modified

2026-04-17

Generated

2026-07-06

AI Q&A

2026-04-18

EPSS Evaluated

2026-07-05

NVD

CVE-2026-40284

EUVD

EUVD-2026-23527

Affected Vendors & Products

Vendor	Product	Version / Range
wegia	web_manager	to 3.6.10 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This vulnerability is a Stored Cross-Site Scripting (XSS) issue in WeGIA, a web manager for charitable institutions. In versions before 3.6.10, an authenticated user can inject malicious JavaScript code into the "Destinatário" field. This malicious code is stored by the application and later executed when other users view the dispatch page.

Impact Analysis

The vulnerability can impact you by allowing an authenticated user to execute malicious JavaScript in the context of other users' browsers when they view the affected page. This can lead to unauthorized actions or data exposure affecting the confidentiality of information, as indicated by the CVSS score showing high impact on confidentiality.

Mitigation Strategies

To mitigate this vulnerability, upgrade WeGIA to version 3.6.10 or later, as this version fixes the Stored Cross-Site Scripting (XSS) issue.

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