Cross-site scripting in WeGIA - CVE-2026-40284

 

Cross-site scripting in WeGIA - CVE-2026-40284

Published: April 23, 2026


Vulnerability identifier: #VU127348
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2026-40284
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to execute arbitrary JavaScript in victims' browsers.

The vulnerability exists due to improper neutralization of input during web page generation in listar_despachos.php when rendering stored Destinatário field data in the dispatch listing page. A remote privileged user can inject malicious JavaScript through the Destinatário field to execute arbitrary JavaScript in victims' browsers.

The issue is triggered when stored user-controlled data is inserted into the DOM using .html(), and it affects users who view the dispatch page.


Affected software

WeGIA

How to mitigate CVE-2026-40284

Install security update from vendor's website.

WeGIA - update to 3.6.10

External References

Related Security Bulletins