Cross-site scripting in WeGIA - CVE-2025-27420

 

Cross-site scripting in WeGIA - CVE-2025-27420

Published: March 2, 2025 / Updated: May 2, 2026


Vulnerability identifier: #VU129035
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2025-27420
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary script in a user's browser.

The vulnerability exists due to cross-site scripting in the atendido_parentesco_adicionar.php endpoint when processing the descricao parameter. A remote attacker can submit a specially crafted descricao value to execute arbitrary script in a user's browser.

User interaction is required, as the stored payload executes when the affected page is accessed by users.


Affected software

WeGIA

How to mitigate CVE-2025-27420

Install security update from vendor's website.

WeGIA - update to 3.2.16

External References

Related Security Bulletins