CVE-2023-22725 in GLPI
Summary
by MITRE • 01/26/2023
GLPI is a Free Asset and IT Management Software package. Versions 0.6.0 and above, prior to 10.0.6 are vulnerable to Cross-site Scripting. This vulnerability allow for an administrator to create a malicious external link. This issue is patched in 10.0.6.
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Analysis
by VulDB Data Team • 02/20/2023
The vulnerability identified as CVE-2023-22725 affects GLPI, a widely-used free asset and IT management software package that serves organizations in tracking hardware, software, and IT resources. This cross-site scripting vulnerability exists in versions 0.6.0 through 10.0.5, creating a significant security risk for organizations relying on this platform for their IT asset management operations. The flaw specifically allows for the creation of malicious external links by administrators, which can be exploited to execute arbitrary JavaScript code in the context of a victim's browser. This represents a critical weakness in the application's input validation and output encoding mechanisms, as it fails to properly sanitize user-provided data before rendering it within web pages.
The technical implementation of this vulnerability stems from inadequate sanitization of external link inputs within the GLPI platform. When administrators create or modify external links, the application does not sufficiently validate or escape the input data before storing or displaying it to end users. This allows an attacker with administrative privileges to inject malicious script code that will execute whenever the link is accessed by other users. The vulnerability aligns with CWE-79, which describes Cross-site Scripting flaws where web applications fail to properly validate or escape user-supplied data. The attack vector is particularly dangerous because it leverages the elevated privileges of administrators, enabling them to create persistent malicious content that can compromise other users within the same system. According to ATT&CK framework, this vulnerability maps to T1566.001 for the initial compromise through malicious external links, and T1059.007 for the execution of JavaScript code within the victim's browser context.
The operational impact of this vulnerability extends beyond simple data theft or defacement, as it provides attackers with the capability to perform session hijacking, redirect users to malicious sites, or execute additional attacks through the compromised browser sessions. Organizations using GLPI versions prior to 10.0.6 face significant risk of credential theft, data exfiltration, and potential lateral movement within their IT environments. The vulnerability is particularly concerning because it requires only administrative access to exploit, which is often limited to trusted personnel but can be compromised through various attack vectors. The patched version 10.0.6 addresses this issue through proper input sanitization and output encoding mechanisms that prevent malicious script execution. Organizations should immediately upgrade to version 10.0.6 or later to remediate this vulnerability, while also implementing network monitoring to detect potential exploitation attempts. Additional mitigations include restricting administrative privileges to only essential personnel, implementing web application firewalls, and conducting regular security assessments of the GLPI installation to identify any remaining vulnerabilities that could be exploited in conjunction with this flaw.