プラットフォーム
php
コンポーネント
cvesmarz
修正版
1.0.1
CVE-2026-4969 describes a cross-site scripting (XSS) vulnerability discovered in Social Networking Site version 1.0. This flaw allows attackers to inject malicious scripts into the application, potentially compromising user sessions and data. The vulnerability resides within the Alert Handler component's /home.php file, specifically in an unknown function. A public exploit is already available, highlighting the urgency of remediation.
Successful exploitation of CVE-2026-4969 enables an attacker to execute arbitrary JavaScript code within the context of a victim's browser session. This can lead to various malicious actions, including session hijacking, credential theft, and defacement of the website. The attacker could potentially redirect users to phishing sites, inject malware, or steal sensitive information displayed on the page. Given the public availability of an exploit, the risk of immediate exploitation is significant, particularly for sites with vulnerable versions deployed.
CVE-2026-4969 has been publicly disclosed and a proof-of-concept exploit is available. This significantly increases the likelihood of exploitation. The CVSS score is LOW, suggesting the attack may require specific user interaction or site configuration to be successful, but the public exploit lowers the barrier to entry. The vulnerability was published on 2026-03-27.
Sites running Social Networking Site version 1.0 are directly at risk. Shared hosting environments where multiple websites share the same server instance are particularly vulnerable, as a compromise of one site could potentially lead to the compromise of others. Sites that rely on user-supplied data in the Alert Handler component are also at increased risk.
• php / web:
grep -r "content = $_GET['content']" /var/www/html/• generic web:
curl -I <target_url>/home.php?content=<script>alert('XSS')</script>disclosure
エクスプロイト状況
EPSS
0.03% (9% パーセンタイル)
CISA SSVC
CVSS ベクトル
The primary mitigation for CVE-2026-4969 is to upgrade to a patched version of Social Networking Site. Since no fixed version is specified, thoroughly review the codebase, particularly the Alert Handler component and the /home.php file, for improper input sanitization. Implement strict input validation and output encoding to prevent XSS attacks. Consider using a Web Application Firewall (WAF) with XSS protection rules as an interim measure. Regularly scan the application for vulnerabilities using automated tools.
Actualizar a una versión corregida del Social Networking Site. Si no hay una versión corregida disponible, se recomienda deshabilitar o eliminar el componente Alert Handler o aplicar un parche que filtre la entrada del argumento 'content' para evitar la ejecución de código XSS.
脆弱性分析と重要アラートをメールでお届けします。
CVE-2026-4969 is a cross-site scripting vulnerability in Social Networking Site version 1.0, allowing attackers to inject malicious scripts via the /home.php file's Alert Handler function.
If you are running Social Networking Site version 1.0, you are potentially affected. Review the codebase and implement mitigation strategies immediately.
Upgrade to a patched version of Social Networking Site. If a patch isn't available, implement strict input validation and output encoding, and consider a WAF.
Due to the public availability of an exploit, CVE-2026-4969 is likely being actively exploited or is at high risk of exploitation.
Refer to the Social Networking Site project's official website or security advisory page for updates and official guidance regarding CVE-2026-4969.