zhenfeng13 My-Blog Tag save cross site scripting
Plataforma
other
Componente
my-blog
Corrigido em
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 e Cenários de Ataquetraduzindo…
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 Exploraçãotraduzindo…
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.
Quem Está em Riscotraduzindo…
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.
Passos de Detecçãotraduzindo…
• 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.
Linha do Tempo do Ataque
- Disclosure
disclosure
Inteligência de Ameaças
Status do Exploit
EPSS
0.03% (percentil 9%)
CISA SSVC
Vetor CVSS
O que significam essas métricas?
- Attack Vector
- Rede — explorável remotamente pela internet. Sem acesso físico ou local necessário.
- Attack Complexity
- Baixa — sem condições especiais. O atacante pode explorar de forma confiável.
- Privileges Required
- Baixo — qualquer conta de usuário válida é suficiente.
- User Interaction
- Necessária — a vítima deve abrir um arquivo, clicar em um link ou visitar uma página.
- Scope
- Inalterado — impacto limitado ao componente vulnerável.
- Confidentiality
- Nenhum — sem impacto na confidencialidade.
- Integrity
- Baixo — o atacante pode modificar alguns dados com alcance limitado.
- Availability
- Nenhum — sem impacto na disponibilidade.
Software Afetado
Classificação de Fraqueza (CWE)
Linha do tempo
- Reservado
- Publicada
- EPSS atualizado
Mitigação e Soluções Alternativastraduzindo…
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.
Como corrigir
Atualize My-Blog para uma versão posterior a 1.0.0, se existir, que corrija a vulnerabilidade de Cross-Site Scripting (XSS). Se não houver atualizações disponíveis, considere desabilitar ou remover o componente Tag Handler. Como medida temporária, você pode implementar regras de validação e escape de entrada no arquivo /admin/tags/save para mitigar o risco de injeção de código malicioso.
Boletim de Segurança CVE
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Perguntas frequentestraduzindo…
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.
Seu projeto está afetado?
Envie seu arquivo de dependências e descubra na hora se esta e outras CVEs te atingem.