PHP LDAP Admin Cross-Site Scripting Scanner

PHP LDAP Admin is a widely used web application designed for administering LDAP (Lightweight Directory Access Protocol) servers. It allows users, typically network administrators and IT personnel, to manage user accounts, organizational units, and other LDAP objects through a simple web interface. The software is highly popular in environments managing large volumes of identity and access data, such as educational institutions, enterprises, and public sector organizations. Its ease of use and feature-rich interface make it suitable for both small and large-scale LDAP infrastructure management. However, like many web applications, it is vulnerable to exploits if not kept up to date. Ensuring the security of PHP LDAP Admin is critical to maintaining the integrity of an organization's identity data.

Cross-Site Scripting (XSS) is a security vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. XSS can be used to steal authentication cookies, session tokens, and essentially impersonate users. In an application like PHP LDAP Admin, an XSS vulnerability could allow attackers to gain unauthorized access to the system or execute malicious code on behalf of unwitting users. The risk is significant in the context of LDAP management due to the sensitive nature of the data and operations managed through the tool. XSS vulnerabilities often arise from insufficient input validation, allowing attacker-supplied scripts to be executed in the context of the logged-in user.

The vulnerability in PHP LDAP Admin specifically allows attackers to inject scripts by manipulating the parameters within the URL, such as 'cmd’, 'dn’, and 'meth’. An attacker crafts a URL containing a malicious script, which if accessed by an admin or regular user, will execute the script in the user’s browser. It exploits areas in the code where input is processed without adequate sanitization or encoding. The vulnerable endpoint is linked to the 'cmd.php' script, and it involves the use of Ajax to facilitate server communication.

If exploited, the XSS vulnerability in PHP LDAP Admin could result in severe consequences like theft of sensitive LDAP information, unauthorized changes to LDAP configurations, and even compromise of the server if privileged accounts are impacted. Users might also experience phishing attacks initiated through manipulated scripts disguised within regular server requests. Ultimately, the exploitation could lead to a breach of confidentiality, integrity, and availability of the LDAP server resources.

REFERENCES

• https://twitter.com/GodfatherOrwa/status/1701392754251563477