zhenfeng13 My-Blog Tag save cross site scripting
Plataforma
other
Componente
my-blog
Corregido en
1.0.1
A cross-site scripting (XSS) vulnerability exists in My-Blog versions 1.0.0 and earlier. This flaw stems from improper handling of data within the /admin/tags/save file, allowing attackers to inject malicious scripts. Successful exploitation could lead to session hijacking or defacement of the blog. The vulnerability has been publicly disclosed and a patch is available in version 1.0.1.
Impacto y Escenarios de Ataquetraduciendo…
The XSS vulnerability in My-Blog allows an attacker to inject arbitrary JavaScript code into the application. This code will then be executed in the context of a user's browser when they visit a compromised page. An attacker could leverage this to steal session cookies, redirect users to malicious websites, or deface the blog's content. The impact is particularly severe if the blog is used for sensitive information or has a large user base, as a successful attack could affect many users simultaneously. This type of XSS is often used as a stepping stone for further attacks, such as phishing or malware distribution.
Contexto de Explotacióntraduciendo…
This vulnerability has been publicly disclosed, increasing the likelihood of exploitation. While the CVSS score is LOW, the ease of exploitation and potential impact warrant attention. No known active campaigns targeting this specific vulnerability have been reported as of the publication date, but the availability of a public proof-of-concept suggests that exploitation is possible. The vulnerability was published on 2025-08-18.
Quién Está en Riesgotraduciendo…
Blog administrators and users of My-Blog are at risk. Specifically, those using older, unpatched versions (1.0.0 and earlier) are vulnerable. Shared hosting environments running My-Blog are also at increased risk due to the potential for cross-tenant exploitation.
Pasos de Deteccióntraduciendo…
• generic web: Use curl to test the /admin/tags/save endpoint with a simple XSS payload (e.g., <script>alert(1)</script>).
curl -X POST -d '<script>alert(1)</script>' http://your-blog-url/admin/tags/save• generic web: Examine access and error logs for suspicious requests to /admin/tags/save containing XSS payloads.
• generic web: Check response headers for the presence of XSS payloads after submitting data to /admin/tags/save.
Cronología del Ataque
- Disclosure
disclosure
Inteligencia de Amenazas
Estado del Exploit
EPSS
0.03% (9% percentil)
CISA SSVC
Vector CVSS
¿Qué significan estas métricas?
- Attack Vector
- Red — explotable remotamente por internet. Sin acceso físico ni local. Mayor superficie de ataque.
- Attack Complexity
- Baja — sin condiciones especiales. El atacante puede explotar de forma confiable sin configuraciones raras.
- Privileges Required
- Bajo — cualquier cuenta de usuario válida es suficiente.
- User Interaction
- Requerida — la víctima debe abrir un archivo, hacer clic en un enlace o visitar una página.
- Scope
- Sin cambio — el impacto se limita al componente vulnerable.
- Confidentiality
- Ninguno — sin impacto en confidencialidad.
- Integrity
- Bajo — el atacante puede modificar algunos datos con alcance limitado.
- Availability
- Ninguno — sin impacto en disponibilidad.
Software Afectado
Clasificación de Debilidad (CWE)
Cronología
- Reservado
- Publicada
- EPSS actualizado
Mitigación y Workaroundstraduciendo…
The primary mitigation for CVE-2025-9101 is to upgrade My-Blog to version 1.0.1 or later, which contains the fix. If upgrading is not immediately feasible, consider implementing input validation and output encoding on the /admin/tags/save endpoint to sanitize user-supplied data. Web application firewalls (WAFs) configured to detect and block XSS payloads can also provide a temporary layer of protection. Review and restrict access to the /admin/tags/save endpoint to authorized personnel only.
Cómo corregirlo
Actualice My-Blog a una versión posterior a 1.0.0, si existe, que corrija la vulnerabilidad de Cross-Site Scripting (XSS). Si no hay actualizaciones disponibles, considere deshabilitar o eliminar el componente Tag Handler. Como medida temporal, puede implementar reglas de validación y escape de entrada en el archivo /admin/tags/save para mitigar el riesgo de inyección de código malicioso.
Boletín de seguridad CVE
Análisis de vulnerabilidades y alertas críticas directamente en tu correo.
Preguntas frecuentestraduciendo…
What is CVE-2025-9101 — XSS in My-Blog?
CVE-2025-9101 is a cross-site scripting (XSS) vulnerability affecting My-Blog versions 1.0.0 and earlier, allowing attackers to inject malicious scripts via the /admin/tags/save endpoint.
Am I affected by CVE-2025-9101 in My-Blog?
You are affected if you are using My-Blog version 1.0.0 or earlier. Upgrade to version 1.0.1 or later to mitigate the vulnerability.
How do I fix CVE-2025-9101 in My-Blog?
Upgrade My-Blog to version 1.0.1 or later. As a temporary workaround, implement input validation and output encoding on the /admin/tags/save endpoint.
Is CVE-2025-9101 being actively exploited?
While no active campaigns have been confirmed, the vulnerability has been publicly disclosed and a proof-of-concept exists, increasing the risk of exploitation.
Where can I find the official My-Blog advisory for CVE-2025-9101?
Refer to the My-Blog project's official website or repository for the latest security advisories and updates related to CVE-2025-9101.
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