CVE-2025-23031: wegia XSS — Exploit & Fix

Description

WeGIA is an open source web manager with a focus on the Portuguese language and charitable institutions. A Stored Cross-Site Scripting (XSS) vulnerability was identified in the `adicionar_alergia.php` endpoint of the WeGIA application. This vulnerability allows attackers to inject malicious scripts into the `nome` parameter. The injected scripts are stored on the server and executed automatically whenever the affected page is accessed by users, posing a significant security risk. The application fails to properly validate and sanitize user inputs in the `adicionar_alergia.php` parameter. This lack of validation allows attackers to inject malicious scripts, which are then stored on the server. Whenever the affected page is accessed, the malicious payload is executed in the victim's browser, potentially compromising the user's data and system. This issue has been addressed in version 3.2.6. All users are advised to upgrade. There are no known workarounds for this vulnerability.

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CVSS v3.1 Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
wegia	wegia	< 3.2.6

References

Advisories & Patches

https://github.com/LabRedesCefetRJ/WeGIA/commit/f35910cb8b9205a6f038ef1e8b3413ea8eee850b https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-wp4f-qhh2-8vfv

Exploits

https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-wp4f-qhh2-8vfv

Frequently Asked Questions

What is CVE-2025-23031? +

WeGIA is an open source web manager with a focus on the Portuguese language and charitable institutions. A Stored Cross-Site Scripting (XSS) vulnerability was identified in the `adicionar_alergia.php` endpoint of the WeGIA application. This vulnerability allows attackers to inject malicious scripts into the `nome` parameter. The injected scripts are stored on the server and executed automatically whenever the affected page is accessed by users, posing a significant security risk. The application fails to properly validate and sanitize user inputs in the `adicionar_alergia.php` parameter. This lack of validation allows attackers to inject malicious scripts, which are then stored on the server. Whenever the affected page is accessed, the malicious payload is executed in the victim's browser, potentially compromising the user's data and system. This issue has been addressed in version 3.2.6. All users are advised to upgrade. There are no known workarounds for this vulnerability. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2025-23031? +

CVE-2025-23031 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-23031? +

CVE-2025-23031 affects products from wegia, specifically: wegia. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-23031? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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