Cross-site scripting in WeGIA - CVE-2026-42870
Published: April 25, 2026
Vulnerability identifier: #VU127883
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-2026-42870
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 informacao_adicional.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 when a victim accesses the affected profile page containing the stored payload.
Affected software
WeGIA
How to mitigate CVE-2026-42870
Install security update from vendor's website.
WeGIA - update to 3.7.0