Cross-site scripting in WeGIA - CVE-2025-27420
Published: March 2, 2025 / Updated: May 2, 2026
Vulnerability identifier: #VU129035
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2025-27420
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: LabReDeS
Affected software:
WeGIA
WeGIA
Detailed vulnerability description
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.
How to mitigate CVE-2025-27420
Install security update from vendor's website.