CVE-2006-1976 in Prayer Request Board
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in addRequest.php in Prayer Request Board (PRB) Beta 1 before 20060320 allows remote attackers to inject arbitrary web script or HTML via the Request field.
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Analysis
by VulDB Data Team • 09/07/2017
The vulnerability identified as CVE-2006-1976 represents a classic cross-site scripting flaw within the Prayer Request Board Beta 1 web application, specifically affecting the addRequest.php component. This security weakness stems from inadequate input validation and sanitization mechanisms that fail to properly filter user-supplied data before processing and rendering it within the web interface. The vulnerability manifests when attackers exploit the Request field parameter to inject malicious scripts or HTML code that gets executed in the context of other users' browsers who view the prayer requests.
This XSS vulnerability operates under CWE-79 which classifies it as a weakness involving the improper handling of input data that leads to the execution of unintended code within web applications. The flaw allows remote attackers to execute arbitrary web scripts or HTML code through the vulnerable Request field, creating a persistent security risk that can be exploited across multiple user sessions. The vulnerability specifically affects versions of Prayer Request Board Beta 1 released before March 20, 2006, indicating that this was a known issue that should have been addressed through proper security patches and code reviews.
The operational impact of this vulnerability extends beyond simple script injection, as it can enable attackers to perform various malicious activities including session hijacking, credential theft, data exfiltration, and redirection to malicious websites. When users view prayer requests containing injected scripts, their browsers execute the malicious code within their security context, potentially compromising their sessions and exposing sensitive information. The vulnerability can be leveraged to create persistent backdoors, modify application behavior, or redirect users to phishing sites that can harvest login credentials and personal data.
From an ATT&CK framework perspective, this vulnerability maps to T1566.001 which covers credential access through social engineering techniques, and T1584.002 which involves the development of malware for web applications. The vulnerability can be exploited through T1059.007 which represents the execution of scripts through web applications, and T1190 which involves the exploitation of web application vulnerabilities. Organizations should implement comprehensive input validation measures including HTML encoding, strict content type controls, and proper output sanitization to prevent such attacks from succeeding.
Mitigation strategies for CVE-2006-1976 should include immediate patching of the Prayer Request Board application to version 20060320 or later, which contains the necessary security fixes. Additionally, developers should implement proper input validation and sanitization techniques including the use of allowlists for acceptable characters, HTML encoding of user-supplied content before rendering, and the implementation of Content Security Policy headers to prevent unauthorized script execution. Security teams should also conduct regular vulnerability assessments and implement web application firewalls to detect and prevent XSS attack patterns. The remediation process should include thorough code reviews focusing on all user input handling mechanisms and the implementation of secure coding practices that align with OWASP Top Ten security guidelines to prevent similar vulnerabilities from being introduced in future development cycles.