SB20260425198 - Multiple vulnerabilities in WeGIA



SB20260425198 - Multiple vulnerabilities in WeGIA

Published: April 25, 2026

Security Bulletin ID SB20260425198
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Cross-site scripting (CVE-ID: CVE-2026-42870)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: 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


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.


2) Information Exposure Through an Error Message (CVE-ID: CVE-2026-42871)

CWE-ID: CWE-209 - Information Exposure Through an Error Message

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to improper error handling in familiar_docfamiliar.php when handling requests to the affected URL. A remote attacker can access the endpoint and trigger an overly descriptive error message to disclose sensitive information.

The exposed error message may include database-related details that can help map backend infrastructure and refine further attacks.


3) Cross-site scripting (CVE-ID: CVE-2026-42872)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: 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


The vulnerability allows a remote attacker to execute arbitrary JavaScript in the context of the victim's browser.

The vulnerability exists due to cross-site scripting in lista_arquivos_etapa.php when handling a crafted id_processo parameter in a request. A remote attacker can send a specially crafted link to execute arbitrary JavaScript in the context of the victim's browser.

User interaction is required to access a crafted URL.


Remediation

Install update from vendor's website.