Is CVE-2026-40286 actively exploited?

No active exploitation of CVE-2026-40286 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-40286 be exploited remotely?

Yes. CVE-2026-40286 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-40286?

CVE-2026-40286 has a CVSS score of 7.5 (HIGH).

HOME VULNERABILITIESCVE-2026-40286

HIGH

CVE-2026-40286

CWE-79Published: April 17, 2026· Updated: Apr 20, 2026

7.5

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:8.7th

Official Description

WeGIA is a web manager for charitable institutions. In versions prior to 3.6.10, a Stored Cross-Site Scripting (XSS) vulnerability was identified in the 'Member Registration' (Cadastrar Sócio) function. By injecting a payload into the 'Member Name' (Nome Sócio) field, the script is persistently stored in the database. Consequently, the payload is executed whenever a user navigates to certain URL. Version 3.6.10 fixes the issue.

NVD Source

Technical Analysis

CVE-2026-40286 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.