Plataforma
php
Componente
yungifez/skuul
Corregido en
2.6.1
2.6.2
2.6.3
2.6.4
2.6.5
2.6.6
2.6.6
A cross-site scripting (XSS) vulnerability has been identified in yungifez Skuul School Management System versions up to 2.6.5. This flaw resides within the SVG File Handler component, specifically affecting the /dashboard/schools/1/edit file. Successful exploitation allows an attacker to inject malicious scripts, potentially compromising user sessions and system integrity. A fix is available in version 2.6.6.
This XSS vulnerability allows an attacker to inject arbitrary JavaScript code into the Skuul School Management System. An attacker could leverage this to steal user credentials, redirect users to malicious websites, or deface the application. The vulnerability's location within the /dashboard/schools/1/edit page suggests that administrators are particularly at risk, as they often have elevated privileges within the system. Given the public availability of an exploit, rapid exploitation is likely. The impact could extend beyond the immediate application, potentially affecting any systems accessible through compromised administrator accounts.
This vulnerability has been publicly disclosed and an exploit is available, indicating a high likelihood of exploitation. The CVE was published on 2025-11-30. The vendor has not responded to early disclosure attempts. The CVSS score of 2.4 (LOW) reflects the relatively limited impact and ease of exploitation, but the public exploit significantly increases the risk.
Schools and educational institutions using yungifez Skuul School Management System, particularly those running versions prior to 2.6.6, are at risk. Administrators of the system are at higher risk due to their elevated privileges and frequent access to the /dashboard/schools/1/edit page. Shared hosting environments where multiple users share the same server instance are also vulnerable.
• php / web:
curl -I https://example.com/dashboard/schools/1/edit | grep -i 'X-XSS-Protection'• php / web: Examine the /dashboard/schools/1/edit file for any unsanitized user input that is directly outputted to the page.
• generic web: Monitor access logs for unusual requests targeting /dashboard/schools/1/edit with suspicious parameters.
• generic web: Check response headers for unexpected JavaScript code or redirects.
disclosure
poc
Estado del Exploit
EPSS
0.04% (13% percentil)
CISA SSVC
Vector CVSS
The primary mitigation for CVE-2025-13784 is to upgrade to version 2.6.6 or later. If upgrading is not immediately feasible, consider implementing input validation and output encoding on user-supplied data within the /dashboard/schools/1/edit page. Web application firewalls (WAFs) configured to detect and block XSS payloads can provide an additional layer of defense. Regularly review and sanitize any SVG files uploaded to the system to prevent malicious code injection.
Actualizar a una versión parcheada o aplicar las mitigaciones proporcionadas por el proveedor, si existen. Dado que el proveedor no responde, se recomienda analizar el código vulnerable y aplicar un parche manualmente para evitar la ejecución de scripts no deseados. Validar y sanitizar las entradas de archivos SVG es crucial para prevenir ataques XSS.
Análisis de vulnerabilidades y alertas críticas directamente en tu correo.
CVE-2025-13784 is a cross-site scripting (XSS) vulnerability affecting yungifez Skuul School Management System versions up to 2.6.5, allowing attackers to inject malicious scripts.
You are affected if you are using yungifez Skuul School Management System versions 2.6.5 or earlier. Upgrade to 2.6.6 or later to mitigate the risk.
The recommended fix is to upgrade to version 2.6.6 or later. Implement input validation and output encoding as a temporary workaround.
Yes, a public exploit is available, indicating a high probability of active exploitation.
The vendor has not responded to early disclosure attempts. Check the yungifez website and GitHub repository for updates.
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