CVE-2007-2098 in PHP Gallery
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in showpic.php in Wabbit PHP Gallery 0.9 allow remote attackers to inject arbitrary web script or HTML via the (1) pic and (2) gal parameters.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 10/18/2017
The vulnerability identified as CVE-2007-2098 represents a critical cross-site scripting weakness in the Wabbit PHP Gallery version 0.9 web application. This flaw exists within the showpic.php script which processes user input parameters to display images and gallery content. The vulnerability stems from insufficient input validation and output sanitization mechanisms that fail to properly filter malicious content submitted through web requests. Attackers can exploit this weakness by crafting specially designed payloads that target the pic and gal parameters, which are directly processed without adequate security controls.
This vulnerability falls under the CWE-79 category of Cross-Site Scripting, specifically representing a reflected XSS attack vector where malicious scripts are injected into web pages viewed by other users. The attack occurs when the application fails to sanitize user-supplied data before incorporating it into dynamically generated HTML content. The pic and gal parameters serve as primary entry points for exploitation, allowing attackers to inject arbitrary HTML or JavaScript code that executes in the context of other users' browsers. The vulnerability's impact is amplified because it affects core gallery functionality where users naturally expect to view image content without security concerns.
The operational impact of CVE-2007-2098 extends beyond simple script injection, potentially enabling attackers to hijack user sessions, steal sensitive cookies, perform unauthorized actions on behalf of victims, or redirect users to malicious websites. When exploited, these vulnerabilities can compromise the integrity of the entire gallery system and potentially provide attackers with access to user data or credentials stored in the application's session management. The reflected nature of the attack means that victims must be tricked into clicking malicious links, but once executed, the consequences can be severe for both individual users and the organization maintaining the gallery.
Security professionals should implement multiple layers of defense to mitigate this vulnerability. Input validation must be strengthened to reject or sanitize all potentially malicious content before processing user parameters. Output encoding should be applied to ensure that any user-supplied data is properly escaped when rendered in HTML contexts. The application should also implement proper Content Security Policy headers to limit script execution capabilities. Additionally, regular security audits and code reviews should be conducted to identify similar patterns in other application components that might present analogous vulnerabilities. The ATT&CK framework categorizes this as a web application vulnerability exploitation technique, specifically mapping to T1566.001 for credential access through web application attacks. Organizations should also consider implementing web application firewalls and monitoring for suspicious parameter patterns to detect and prevent exploitation attempts before they succeed.