CVE-2026-23727 identifies an Open Redirect vulnerability affecting the WeGIA web management application for charitable institutions. Prior to version 3.6.2, the vulnerability exists in the /WeGIA/controle/control.php endpoint, specifically through the nextPage parameter when combined with metodo=listarTodos and nomeClasse=TipoSaidaControle. This flaw allows attackers to manipulate the nextPage parameter without proper validation, enabling redirection to arbitrary external sites.
The severity level of this vulnerability is classified as medium, with a CVSS score of 4.8. This rating is significant as it indicates a potential risk to organizations, where attackers may leverage this vulnerability for phishing attacks, credential theft, and malware distribution by exploiting the trusted WeGIA domain. Organizations should address this vulnerability in their patch cycle.
The vulnerability has been officially acknowledged and fixed in version 3.6.2 of WeGIA, published on January 16, 2026. As exploitation details are currently not available, organizations are urged to evaluate their usage of affected versions and implement the necessary updates immediately.
Organizations should prioritize patching immediately to mitigate the risks associated with CVE-2026-23727.
Vulnerability Details
This vulnerability allows attackers to redirect users to untrusted sites via manipulated parameters in the WeGIA application. The CWE classification for this vulnerability is CWE-601, indicating an Open Redirect issue. The CVSS score provided is 4.8 (medium severity) with a base severity classification of medium.
The affected product is WeGIA, with the vulnerability present in all versions prior to 3.6.2. The vulnerability was published on January 16, 2026, and has been analyzed as part of the ongoing security assessments.
Technical Analysis
The root cause of CVE-2026-23727 stems from insufficient validation of user input in the nextPage parameter. Attackers can exploit this weakness by appending arbitrary URLs, leading to unintended redirects.
The attack vector is network-based, with low complexity and requiring low privileges. User interaction is necessary, as users must click on the malicious link to be redirected. The confidentiality and integrity impacts are rated as low, with no availability impact.
Risk & Impact Analysis
Risk to organizations includes potential data breaches due to phishing attacks, where attackers can leverage the trusted WeGIA domain to deceive users. The blast radius is significant, as any user interacting with the vulnerable application could become a target.
Given the medium CVSS score, organizations should address this vulnerability in their priority patch cycle to prevent exploitation and potential reputational damage.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions of WeGIA prior to 3.6.2 are affected by this vulnerability. Organizations using earlier versions should upgrade to 3.6.2 to mitigate the risks associated with CVE-2026-23727.
Mitigation & Remediation
To remediate this vulnerability, organizations must upgrade to WeGIA version 3.6.2 or later. If an immediate upgrade is not feasible, consider implementing network controls to restrict access to the vulnerable endpoint, and monitor user activity for any signs of exploitation.
For further information on penetration testing services, organizations can review our offerings on penetration testing to identify any potential vulnerabilities.
Detection Guidance
Organizations should monitor application logs for unusual access patterns, particularly those involving the nextPage parameter. Behavioral anomalies from users attempting to access unexpected external sites may indicate exploitation attempts.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2026-23727 underscores the importance of input validation in web applications. The pattern of Open Redirect vulnerabilities indicates a recurring issue that security teams must address proactively. Organizations are encouraged to adopt a robust security posture, including regular audits and penetration tests, to identify and remediate such vulnerabilities before they can be exploited.
For more detailed guidance on security assessments, organizations can refer to our vulnerability management program and the importance of continuous security testing.
Additionally, implementing an effective penetration testing methodology can help organizations stay one step ahead of potential attackers.
In conclusion, the exploitation of CVE-2026-23727 serves as a critical reminder of the necessity for ongoing vigilance in application security.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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