CVE-2010-5095 in SilverStripe
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in SilverStripe 2.3.x before 2.3.6 allows remote attackers to inject arbitrary web script or HTML via vectors related to DataObjectSet pagination.
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Analysis
by VulDB Data Team • 02/19/2019
The CVE-2010-5095 vulnerability represents a critical cross-site scripting flaw discovered in SilverStripe content management system versions 2.3.x prior to 2.3.6. This vulnerability specifically targets the DataObjectSet pagination functionality, which is a core component used for displaying lists of data objects in the CMS interface. The flaw enables remote attackers to inject malicious web scripts or HTML code into the application's response, potentially compromising user sessions and data integrity.
The technical exploitation of this vulnerability occurs through manipulation of pagination parameters within DataObjectSet operations. When SilverStripe processes pagination requests for data objects, it fails to properly sanitize user-supplied input parameters that control the display of paginated results. This insufficient input validation creates an opening for attackers to inject malicious payloads that execute in the context of other users' browsers. The vulnerability manifests when the application renders pagination controls or data display elements without adequate output encoding or sanitization of user-provided data.
The operational impact of this XSS vulnerability extends beyond simple script injection, potentially enabling attackers to perform session hijacking, steal sensitive information, or redirect users to malicious websites. An attacker could exploit this vulnerability to execute arbitrary code in the victim's browser, potentially leading to complete compromise of user sessions and unauthorized access to the SilverStripe administration interface. The vulnerability affects not only end users but also administrators who might be tricked into clicking malicious links within the CMS pagination controls, thereby granting attackers elevated privileges and access to sensitive system data.
Security practitioners should consider this vulnerability in the context of CWE-79, which specifically addresses cross-site scripting flaws in software applications. The ATT&CK framework categorizes this as a technique for code injection, specifically under the T1059.001 sub-technique for command and scripting interpreter. Organizations should prioritize immediate patching of affected SilverStripe installations to version 2.3.6 or later, as this release includes proper input sanitization and output encoding mechanisms for pagination parameters. Additionally, implementing proper content security policies and input validation measures can provide additional defense-in-depth against similar vulnerabilities in the application's data handling processes.
The vulnerability underscores the critical importance of proper input validation and output encoding in web applications, particularly in CMS platforms where user-generated content and administrative interfaces intersect. Regular security assessments of web applications should include thorough testing of pagination and data display functionalities to identify potential XSS vulnerabilities. Organizations maintaining legacy SilverStripe installations should conduct comprehensive security audits to identify and remediate similar vulnerabilities that may exist in other components of their web applications.