CVE-2012-2641 in ZenPhoto
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Zenphoto before 1.4.3 allows remote attackers to inject arbitrary web script or HTML by triggering improper interaction with an unspecified library.
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Analysis
by VulDB Data Team • 04/02/2019
The CVE-2012-2641 vulnerability represents a critical cross-site scripting flaw discovered in Zenphoto versions prior to 1.4.3, exposing web applications to persistent security risks through improper input validation mechanisms. This vulnerability specifically targets the content management system's handling of user-supplied data within an unspecified library component, creating a pathway for malicious actors to execute unauthorized scripts in the context of affected users' browsers. The flaw stems from inadequate sanitization of input parameters that are subsequently rendered without proper encoding or filtering, allowing attackers to inject malicious payloads that can be executed by other users accessing the compromised application.
The technical exploitation of this vulnerability occurs when remote attackers manipulate input fields or parameters that interact with the vulnerable library component, triggering the execution of malicious code within the browser context of legitimate users. This type of XSS vulnerability falls under CWE-79 which specifically addresses improper neutralization of input during web page generation, making it particularly dangerous as it can be leveraged to steal session cookies, perform unauthorized actions on behalf of users, or redirect victims to malicious websites. The vulnerability's classification as a remote attack vector means that no local access or user interaction beyond visiting a malicious page is required for exploitation, significantly increasing its attack surface and potential impact.
The operational impact of CVE-2012-2641 extends beyond simple script injection, as successful exploitation can lead to complete compromise of user sessions and potential data breaches within the Zenphoto application. Attackers can leverage this vulnerability to execute persistent XSS attacks that may result in credential theft, privilege escalation, or the installation of malware through browser-based attack vectors. The vulnerability's presence in the library component suggests that multiple application functions may be affected, potentially compromising various user interfaces and administrative panels. Organizations using vulnerable versions of Zenphoto face significant risk of unauthorized access, data manipulation, and potential service disruption, particularly in environments where the CMS serves as a primary content management platform for sensitive information.
Mitigation strategies for this vulnerability require immediate implementation of the official patch released with Zenphoto 1.4.3, which addresses the improper input handling within the affected library component. System administrators should prioritize updating all instances of Zenphoto to the patched version while implementing additional security measures such as input validation filters, output encoding mechanisms, and regular security audits of web applications. The remediation process should include thorough testing of the patched environment to ensure that the XSS vulnerability has been fully resolved without introducing regressions in application functionality. Organizations should also consider implementing web application firewalls and content security policies as additional defensive layers, while monitoring for any signs of exploitation attempts or unauthorized access patterns that may indicate successful exploitation of the vulnerability prior to patch deployment.