CVE-2012-1787 in Webglimpse
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in wgarcmin.cgi in Webglimpse 2.20.0 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) URL, (2) FILE, or (3) DOMAIN parameters.
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Analysis
by VulDB Data Team • 05/31/2025
The vulnerability identified as CVE-2012-1787 represents a critical cross-site scripting flaw affecting Webglimpse version 2.20.0 and earlier installations. This vulnerability resides within the wgarcmin.cgi component of the web application, which serves as a gateway for users to access archived web content through various parameterized inputs. The flaw manifests when the application fails to properly sanitize user-supplied input data, creating an avenue for malicious actors to execute arbitrary scripts within the context of other users' browsers. The vulnerability specifically impacts three distinct parameter fields: URL, FILE, and DOMAIN, each representing different pathways through which attackers can inject malicious payloads into the application's processing pipeline.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding practices within the Webglimpse application framework. When users provide input through the affected parameters, the application processes these values without sufficient sanitization measures, allowing HTML and JavaScript code to be stored or directly rendered in web pages without proper escaping or encoding. This failure to implement proper input validation creates a persistent XSS vector that can be exploited across different contexts within the application's user interface. The vulnerability operates under CWE-79 which categorizes improper neutralization of input during web page generation, specifically addressing the injection of malicious code through web forms and URL parameters. The flaw's classification as a persistent XSS vulnerability means that malicious scripts can be stored on the server and executed whenever legitimate users access the affected pages, amplifying the potential impact of the attack.
The operational impact of CVE-2012-1787 extends beyond simple data theft or session hijacking, as it provides attackers with the capability to manipulate the application's user interface and potentially escalate privileges within the context of user sessions. Attackers can leverage this vulnerability to redirect users to malicious websites, steal session cookies, perform actions on behalf of users, or even modify the content displayed to other users. The three vulnerable parameters create multiple attack vectors, with the URL parameter allowing direct injection into web address fields, the FILE parameter enabling script injection in file references, and the DOMAIN parameter permitting malicious code insertion in domain name contexts. This multi-vector approach increases the likelihood of successful exploitation and makes the vulnerability particularly dangerous in environments where users may interact with various types of web content through the application. The attack surface is further expanded by the fact that these parameters are likely used in various application functions, potentially affecting multiple user interactions and data processing pathways.
Mitigation strategies for CVE-2012-1787 should focus on implementing robust input validation and output encoding mechanisms across all user-supplied parameters. The primary defense involves sanitizing all input data through proper encoding techniques such as HTML entity encoding, JavaScript escaping, and regular expression filtering to remove or neutralize potentially malicious content. Organizations should implement a comprehensive secure coding approach that includes parameterized queries, input length validation, and strict content type controls to prevent the execution of unauthorized scripts. Additionally, the application should employ Content Security Policy (CSP) headers to limit script execution sources and prevent unauthorized code injection. System administrators should immediately upgrade to patched versions of Webglimpse, as version 2.20.1 and later releases contain fixes for this vulnerability. The mitigation approach should also include monitoring for exploitation attempts through web application firewalls and log analysis to detect potential XSS payloads. According to ATT&CK framework, this vulnerability maps to T1059.007 for scripting and T1566.001 for spearphishing, indicating the need for both defensive measures and threat monitoring. Regular security assessments and code reviews should be conducted to identify similar input validation issues in other components of the web application ecosystem, ensuring comprehensive protection against similar cross-site scripting vulnerabilities.