CVE-2007-0876 in Quick Digital Image Gallery
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Quick Digital Image Gallery (Qdig) 1.2.9.3 and devel-20060624 allows remote attackers to inject arbitrary web script or HTML via the Qwd parameter to the top-level URI.
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Analysis
by VulDB Data Team • 10/13/2017
The vulnerability identified as CVE-2007-0876 represents a critical cross-site scripting flaw in the Quick Digital Image Gallery (Qdig) content management system. This vulnerability affects versions 1.2.9.3 and devel-20060624, exposing web applications that utilize this gallery component to potential malicious script injection attacks. The flaw manifests when the application fails to properly sanitize user input passed through the Qwd parameter in the top-level URI, creating an avenue for attackers to execute arbitrary web scripts or HTML code within the context of other users' browsers.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding practices within the Qdig application. When the Qwd parameter is processed without proper sanitization, malicious code embedded in this parameter gets executed in the victim's browser context, enabling attackers to perform actions such as stealing session cookies, defacing web pages, or redirecting users to malicious sites. This type of vulnerability falls under CWE-79 which specifically addresses Cross-Site Scripting flaws in web applications. The attack vector is particularly dangerous because it operates at the application's top-level URI, meaning it can potentially affect all gallery pages and user interactions within the system.
The operational impact of this vulnerability extends beyond simple script execution, as it can be leveraged for more sophisticated attacks within the context of the ATT&CK framework's initial access and execution phases. Attackers can exploit this flaw to establish persistent access through session hijacking, perform phishing attacks by redirecting users to malicious domains, or even deploy additional malware payloads. The vulnerability affects not just individual users but potentially the entire user base of any website utilizing the affected Qdig version, making it a significant concern for web administrators and security teams managing digital image galleries and content management systems.
Mitigation strategies for CVE-2007-0876 should prioritize immediate patching of the affected Qdig versions to the latest secure releases that implement proper input validation and output encoding mechanisms. Organizations should also implement comprehensive input sanitization routines that filter or escape special characters in all user-supplied parameters before processing. Network-level defenses including web application firewalls and content filtering systems can provide additional protection layers, though they should not replace proper application-level fixes. Security monitoring should include detection of suspicious parameter patterns in web server logs, particularly around URI parameters that match the Qwd naming convention. The vulnerability demonstrates the critical importance of implementing defense-in-depth strategies and regular security assessments of third-party components, as highlighted by security standards that emphasize proper input validation and output encoding as fundamental protections against XSS attacks.