Platform
php
Component
phpmyfaq
Opgelost in
3.1.18
CVE-2023-5320 is a critical Cross-Site Scripting (XSS) vulnerability affecting phpMyAdmin FAQ versions up to 3.1.18. This vulnerability allows attackers to inject malicious scripts into the application, potentially leading to account takeover or data theft. The vulnerability stems from a DOM-based XSS issue within the GitHub repository. A patch is available in version 3.1.18.
The impact of this XSS vulnerability is significant. An attacker could inject malicious JavaScript code that executes in the context of a user's browser when they visit a vulnerable page. This could allow the attacker to steal session cookies, redirect users to phishing sites, or deface the website. Given the widespread use of phpMyAdmin FAQ for documentation and support, a successful exploitation could impact a large number of users and systems. The DOM-based nature of the XSS means that the vulnerability may be difficult to detect using traditional input validation techniques, increasing the risk of exploitation.
CVE-2023-5320 was publicly disclosed on September 30, 2023. While no active exploitation campaigns have been confirmed, the vulnerability's critical severity and ease of exploitation make it a likely target. The vulnerability is not currently listed on CISA KEV. Public proof-of-concept exploits are likely to emerge given the nature of the vulnerability.
Websites and applications that utilize phpMyAdmin FAQ for documentation or support are at risk. This includes organizations that host their own phpMyAdmin FAQ instances and those using shared hosting environments where the phpMyAdmin FAQ installation might be vulnerable. Legacy systems running older versions of phpMyAdmin FAQ are particularly vulnerable.
• php: Examine application logs for unusual JavaScript execution patterns or suspicious URL parameters.
grep -i 'javascript:' /var/log/apache2/access.log• php: Check for modifications to the phpMyAdmin FAQ installation directory that could indicate an attack.
find /path/to/phpmyfaq -type f -mtime -1• generic web: Monitor for unusual outbound network traffic from the server, which could indicate data exfiltration. Use tools like tcpdump or Wireshark to analyze network traffic.
disclosure
Exploit Status
EPSS
0.54% (68% percentiel)
CVSS-vector
The primary mitigation for CVE-2023-5320 is to upgrade phpMyAdmin FAQ to version 3.1.18 or later. If upgrading immediately is not possible, consider implementing a Web Application Firewall (WAF) rule to filter potentially malicious input. Specifically, look for patterns associated with JavaScript injection attempts. Review and sanitize any user-supplied data that is rendered in the application. After upgrading, confirm the fix by attempting to inject a simple JavaScript payload into a vulnerable input field and verifying that it is not executed.
Actualice phpmyfaq a la versión 3.1.18 o superior. Esta versión contiene una corrección para la vulnerabilidad XSS. La actualización se puede realizar descargando la nueva versión desde el sitio web oficial y reemplazando los archivos existentes.
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CVE-2023-5320 is a critical XSS vulnerability in phpMyAdmin FAQ versions up to 3.1.18, allowing attackers to inject malicious scripts.
You are affected if you are using phpMyAdmin FAQ version 3.1.18 or earlier. Upgrade immediately to mitigate the risk.
Upgrade phpMyAdmin FAQ to version 3.1.18 or later. Consider a WAF as a temporary measure if immediate upgrade is not possible.
While no active exploitation campaigns have been confirmed, the vulnerability's severity makes it a likely target.
Refer to the phpMyAdmin FAQ GitHub repository for updates and advisories: https://github.com/thorsten/phpmyfaq
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