A Stored Cross-Site Scripting (XSS) vulnerability has been identified in the WeGIA application, an open-source web manager focused on the Portuguese language and charitable institutions. This vulnerability allows attackers to inject malicious scripts into the `descricao` parameter of the `dependente_parentesco_adicionar.php` endpoint. The injected scripts are stored on the server and executed automatically whenever the affected page is accessed by users.
The vulnerability stems from the application's failure to properly validate and sanitize user inputs. When unvalidated inputs are processed, it allows attackers to execute malicious scripts in the browsers of users accessing the affected page. This poses a significant security risk, as it can lead to data theft, unauthorized actions, and compromise of user systems.
This issue has been addressed in version 3.2.6 of the WeGIA application. All users are advised to upgrade to this version to mitigate the risk. Currently, there are no known workarounds for this vulnerability.
The CVSS score for this vulnerability is 6.4, placing it in the medium severity category. Organizations should prioritize addressing this issue in their patch management cycles.
Vulnerability Details
The vulnerability allows attackers to exploit the WeGIA application through the `dependente_parentesco_adicionar.php` endpoint. Malicious scripts injected through the `descricao` parameter can be stored and executed without proper input validation and sanitization.
The CVSS 4.0 score indicates a medium severity level, reflecting that while exploitation requires user interaction, the attack complexity is low and can be carried out over a network. The integrity and confidentiality impacts are classified as low, although the potential for high sub-impact exists.
Technical Analysis
The root cause of the vulnerability is inadequate input validation and sanitization for the `descricao` parameter. Attackers can leverage this weakness to craft malicious scripts that are stored on the server.
The attack vector is network-based, meaning that an attacker does not need physical access to the server, and the complexity is low as it relies on social engineering to prompt user interaction. Privileges required are none, and user interaction is necessary for the execution of the payload in the victim's browser.
The vulnerability impacts confidentiality and integrity, with a potential for significant repercussions if exploited. Organizations that utilize the WeGIA application should be aware of the risks associated with this vulnerability.
Risk & Impact Analysis
Risk to organizations includes unauthorized access to user data and the potential for further exploitation due to the stored nature of the XSS payload. With the increasing reliance on web applications for operations, vulnerabilities like this pose a strategic risk to organizational integrity.
Given the medium severity classification and lack of known exploits, organizations should still treat this vulnerability with urgency. Prompt action to patch the application will help mitigate risks and safeguard user data.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions of WeGIA prior to version 3.2.6 are affected by this vulnerability. Users are encouraged to upgrade to the patched version to mitigate risks associated with this issue.
Mitigation & Remediation
To mitigate this vulnerability, organizations should upgrade to WeGIA version 3.2.6 or later. This version includes patches that address the identified vulnerabilities. If immediate upgrading is not feasible, organizations should consider implementing input validation and sanitization measures as a temporary workaround.
For ongoing protection, organizations should conduct regular security assessments and consider integrating penetration testing into their security protocols to identify and remediate vulnerabilities proactively.
Detection Guidance
Organizations should monitor application logs for any unusual behavior related to user input handling and script execution. Indicators of compromise may include unexpected script executions or unauthorized changes to application data.
AppSecure Threat Intelligence Insight
The identification of this vulnerability reflects the ongoing need for organizations to prioritize input validation and security hygiene. With the increasing prevalence of web applications, the potential impact of vulnerabilities like this can be severe.
Organizations should stay informed about emerging threats and consider adopting a vulnerability management program to systematically address weaknesses. Regular updates and security reviews are essential to minimize exposure to risks.
For specific guidance on mitigating web application vulnerabilities, organizations can refer to resources on web application penetration testing and best practices.
Furthermore, engaging in security testing best practices can provide additional layers of protection against similar vulnerabilities.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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