CVE-2007-5677 in Hackish
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in shoutbox/blocco.php in Hackish BETA 1.1 allows remote attackers to inject arbitrary web script or HTML via the go_shout parameter.
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Analysis
by VulDB Data Team • 09/06/2025
The vulnerability identified as CVE-2007-5677 represents a classic cross-site scripting flaw within the Hackish BETA 1.1 web application, specifically affecting the shoutbox/blocco.php component. This type of vulnerability falls under the CWE-79 category, which specifically addresses improper neutralization of input during web page generation, making it a prime example of how user-supplied data can be maliciously injected into web applications. The vulnerability manifests when the application fails to properly sanitize or validate user input before incorporating it into dynamically generated web content, creating an opening for attackers to execute arbitrary scripts in the context of other users' browsers.
The technical exploitation of this vulnerability occurs through the go_shout parameter within the shoutbox/blocco.php script, which accepts user input without adequate validation or sanitization measures. Attackers can craft malicious payloads containing JavaScript code or HTML elements that get executed when other users view the affected page. This unvalidated input processing creates a persistent XSS vector that can be leveraged for various malicious activities including session hijacking, credential theft, or redirection to malicious websites. The vulnerability's impact is amplified by the fact that it affects a core functionality component of the application, making it accessible to a wide range of potential attackers.
The operational consequences of this vulnerability extend beyond simple script execution, as it provides attackers with the capability to compromise user sessions and potentially gain unauthorized access to sensitive information. From an attack perspective, this vulnerability aligns with ATT&CK technique T1531 which focuses on establishing persistence through malicious scripts. The flaw enables attackers to establish a foothold within the application environment, potentially allowing them to monitor user interactions, steal session cookies, or redirect users to phishing sites. The long-term implications include the potential for attackers to maintain access to the application and its user base over extended periods.
Mitigation strategies for this vulnerability must address both the immediate input validation requirements and the broader security posture of the application. Organizations should implement comprehensive input sanitization techniques, including the use of proper encoding methods such as HTML entity encoding for output, and establish strict validation rules for all user-supplied parameters. The application should employ a whitelist approach for parameter validation, rejecting any input that does not conform to expected patterns. Additionally, implementing proper content security policies and using security headers can provide additional defense layers against XSS attacks. The vulnerability also highlights the importance of regular security assessments and code reviews, particularly focusing on input handling mechanisms. From a compliance standpoint, addressing this vulnerability aligns with various security frameworks including OWASP Top 10 and NIST cybersecurity guidelines, which emphasize the critical need for proper input validation and output encoding to prevent injection attacks. The remediation process should include thorough testing of the patched implementation to ensure that all potential XSS vectors have been addressed and that legitimate user functionality remains intact.