CVE-2006-5515 in phpPgAds
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in lib-history.inc.php in phpAdsNew and phpPgAds before 2.0.8-pr1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, related to injected data that is stored by a delivery script and displayed by the admin interface.
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Analysis
by VulDB Data Team • 04/25/2026
The vulnerability described in CVE-2006-5515 represents a classic cross-site scripting flaw that existed in the phpAdsNew and phpPgAds advertising management systems. This issue specifically affects versions prior to 2.0.8-pr1 and resides within the lib-history.inc.php component of these applications. The vulnerability stems from improper input validation and output encoding practices that fail to adequately sanitize user-supplied data before it is processed and subsequently displayed within the administrative interface. The flaw operates by allowing malicious actors to inject arbitrary web script or HTML code through unspecified attack vectors that ultimately get stored by a delivery script and later rendered when administrators access the admin interface.
This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is one of the most prevalent and well-documented web application security flaws in the industry. The attack scenario involves an attacker crafting malicious input that gets accepted by the application's delivery script, which then stores this data in the system's database or storage mechanisms. When administrators subsequently access the admin interface to view historical data or reports, the stored malicious content gets executed within their browser context, creating a persistent XSS vector. The security implications extend beyond simple script execution as this vulnerability can be leveraged for session hijacking, credential theft, and privilege escalation attacks, particularly when administrators with elevated permissions access the compromised interface.
The operational impact of CVE-2006-5515 is significant as it provides attackers with a means to compromise the administrative interface of advertising platforms that manage critical advertising campaigns and user data. When an attacker successfully exploits this vulnerability, they can execute arbitrary JavaScript code within the context of the administrator's browser session, potentially leading to complete compromise of the affected system. The stored nature of the attack vector means that the malicious code persists even after the initial injection, allowing attackers to maintain access over extended periods. This type of vulnerability is particularly dangerous in environments where administrative interfaces handle sensitive advertising data, user information, and financial transaction details, as it provides a direct path to compromise the entire advertising platform's integrity and confidentiality.
Mitigation strategies for this vulnerability require immediate patching of affected systems to version 2.0.8-pr1 or later, which contains the necessary fixes to address the input validation and output encoding issues. Organizations should implement comprehensive input sanitization measures that properly escape or encode all user-supplied data before storage and rendering. The implementation of Content Security Policy headers can provide additional defense-in-depth measures to prevent script execution, while regular security audits and code reviews should be conducted to identify similar vulnerabilities in other components of the application. According to ATT&CK framework, this vulnerability maps to T1059.007 for script injection techniques and T1531 for credential access through compromised administrative interfaces. Security teams should also consider implementing web application firewalls to detect and block suspicious input patterns that could indicate attempted exploitation of this and similar XSS vulnerabilities.