SB20260425198 - Multiple vulnerabilities in WeGIA
Published: April 25, 2026
Breakdown by Severity
- 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.
References
- https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-q6jg-hfqv-882f
- https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-xpvm-3f74-qvp2
- https://demo.wegia.org/WEGIA/html/atendido/familiar_docfamiliar.php
- https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-gp6v-f6q5-wq62
- https://github.com/advisories/GHSA-gp6v-f6q5-wq62