CVE-2007-1125 in Simple one-file gallery
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in gallery.php in XeroXer Simple one-file gallery allows remote attackers to inject arbitrary web script or HTML via the f parameter.
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Analysis
by VulDB Data Team • 12/09/2025
The vulnerability identified as CVE-2007-1125 represents a classic cross-site scripting flaw within the XeroXer Simple one-file gallery application. This security weakness resides in the gallery.php script where user input is not properly sanitized before being rendered back to web browsers. The specific vector of attack occurs through the 'f' parameter which accepts arbitrary file names or paths, allowing malicious actors to inject harmful scripts that execute in the context of other users' browsers. Such vulnerabilities fall under the CWE-79 category of Cross-Site Scripting, which is one of the most prevalent and dangerous web application security flaws.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding practices within the gallery.php script. When users provide input through the 'f' parameter, the application fails to properly escape or filter special characters that could be interpreted as HTML or JavaScript code. This creates an environment where attackers can craft malicious payloads that get executed when other users view the affected gallery page. The vulnerability is particularly concerning because it allows for arbitrary code execution within the victim's browser context, potentially enabling session hijacking, credential theft, or redirection to malicious sites.
The operational impact of this vulnerability extends beyond simple data theft, as it can enable attackers to manipulate the gallery functionality and compromise user sessions. An attacker could inject scripts that steal cookies, redirect users to phishing sites, or even modify the gallery content to display malicious advertisements. The remote nature of this attack means that exploitation can occur without requiring physical access to the target system or any prior authentication. This vulnerability aligns with ATT&CK technique T1566.001 which covers Spearphishing Attachment, where the malicious payload is delivered through web-based interfaces.
Mitigation strategies for CVE-2007-1125 should focus on implementing proper input validation and output encoding mechanisms. The most effective approach involves sanitizing all user-provided input through proper escaping techniques before rendering it in web pages. This includes implementing strict parameter validation for the 'f' parameter and ensuring that any file references are properly validated against a whitelist of allowed files. Additionally, developers should implement Content Security Policy headers to limit the execution of inline scripts and prevent unauthorized code injection. The vulnerability demonstrates the critical importance of following secure coding practices and adhering to OWASP Top Ten security guidelines for web application development, particularly those addressing input validation and output encoding to prevent XSS attacks. Organizations should also consider implementing web application firewalls and regular security assessments to identify and remediate similar vulnerabilities in their web applications.