CVE-2025-1213: Medium Vulnerability in PiHome MaxAir

A vulnerability was found in pihome-shc PiHome 1.77. It has been rated as problematic. Affected by this issue is some unknown functionality of the file /index.php. The manipulation of the argument $_SERVER['PHP_SELF'] leads to cross-site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

With a CVSS score of 5.1, this vulnerability is classified as medium severity. Attackers may leverage this vulnerability to execute cross-site scripting attacks, which can compromise the integrity of user interactions with the application. Organizations should prioritize patching immediately to prevent exploitation.

The vulnerability has been publicly disclosed, which increases the urgency for organizations to address this issue in their environments. Effective remediation, including applying the necessary patches and updates, is critical to safeguarding against potential exploits.

Organizations should assess their exposure to this vulnerability and take appropriate measures to mitigate the risks associated with its exploitation.

Vulnerability Details

The vulnerability allows for cross-site scripting (CWE-79) and potentially remote code execution (CWE-94). The CVSS vector indicates a network attack vector with low complexity, requiring low privileges and passive user interaction. The integrity impact is low, while confidentiality and availability impacts are none.

Technical Analysis

The root cause of this vulnerability stems from improper handling of user input within the /index.php file. Attackers can manipulate the $_SERVER['PHP_SELF'] variable to inject malicious scripts into web pages viewed by other users. This vulnerability can be exploited through any networked environment, making it accessible to remote attackers.

Risk & Impact Analysis

Risk to organizations includes potential data theft, loss of user trust, and impacts on application integrity. Given the nature of cross-site scripting vulnerabilities, attackers may exploit this flaw to execute unauthorized scripts in the context of a user's session. Organizations should assess their exposure and prioritize remediation efforts based on the CVSS score and the potential impact on their operations.

Exploitation Status

Affected Versions

The vulnerable version is PiHome 1.77. All versions prior to vendor patch may be affected. Organizations using this version should take immediate action.

Mitigation & Remediation

Organizations should prioritize patching immediately. Upgrade to the latest version of PiHome to mitigate this vulnerability. If a patch is not available, consider implementing web application firewalls and input validation to filter malicious scripts. Regularly monitor logs for any signs of exploitation attempts.

Detection Guidance

Monitor application logs for any suspicious activity involving the $_SERVER['PHP_SELF'] variable. Look for unusual patterns or error messages that may indicate attempted exploitation. Implement network signatures to detect potential attacks targeting this vulnerability.

AppSecure Threat Intelligence Insight

This vulnerability highlights the importance of robust input validation in web applications. As attackers continue to seek out vulnerabilities to exploit, organizations must adopt a proactive security posture, including regular security assessments and penetration testing. For guidance on enhancing your security measures, consider reviewing our comprehensive penetration testing services and integrating them into your security strategy.

Additionally, leverage our vulnerability management program to systematically address and mitigate vulnerabilities within your organization.

Finally, staying informed through our latest publications on application security will help you understand emerging threats and the necessary defensive strategies. Explore our security testing best practices for further insights.