CVE-2006-3036 in Slide Gallery
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in 35mmslidegallery 6.0 allow remote attackers to inject arbitrary web script or HTML via the (1) imgdir parameter in (a) index.php, and the (2) w, (3) h, and (4) t parameters in (b) popup.php.
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Analysis
by VulDB Data Team • 06/30/2025
The vulnerability identified as CVE-2006-3036 represents a critical cross-site scripting weakness in the 35mmslidegallery 6.0 web application, specifically targeting the gallery's image directory handling and popup functionality. This vulnerability resides within the application's parameter validation mechanisms, where user-supplied input is not properly sanitized before being processed and rendered in web responses. The flaw manifests in two distinct attack vectors that exploit different file handlers within the gallery system, creating multiple pathways for malicious actors to execute their payloads.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding practices within the 35mmslidegallery application code. When the imgdir parameter in index.php receives user input without proper sanitization, it allows attackers to inject malicious scripts that execute within the context of other users' browsers. Similarly, the popup.php file contains three additional vulnerable parameters w, h, and t that accept unfiltered user input, enabling attackers to manipulate the gallery's popup functionality to execute arbitrary code. These parameters are directly incorporated into the generated HTML output without appropriate HTML escaping or context-aware encoding, creating persistent XSS opportunities.
The operational impact of CVE-2006-3036 extends beyond simple script injection, as it provides attackers with the capability to perform session hijacking, defacement of gallery content, and potential data exfiltration from authenticated users. Attackers can craft malicious URLs containing script payloads that, when viewed by other users, execute in their browser context and potentially steal session cookies or redirect users to malicious sites. The vulnerability affects the application's core functionality by compromising the integrity of the user interface and potentially enabling privilege escalation if the gallery system handles administrative functions. This weakness directly violates security principles outlined in the OWASP Top Ten, specifically addressing the XSS category that ranks among the most prevalent web application vulnerabilities.
From a mitigation perspective, the primary solution involves implementing comprehensive input validation and output encoding across all user-supplied parameters. The application must sanitize all input through strict validation rules that reject or escape potentially dangerous characters before processing. This approach aligns with CWE-79, which specifically addresses cross-site scripting vulnerabilities and recommends proper input validation and output encoding as primary defenses. Additionally, implementing Content Security Policy headers and using parameterized queries can significantly reduce the attack surface. The vulnerability also maps to ATT&CK technique T1059.007 for command and scripting interpreter, specifically web shell execution, and T1566 for social engineering through malicious links, making it a critical target for both defensive and offensive security teams to address through proper code review and security testing protocols.