CVE-2008-6687 in dcdgooglemap
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in DCD GoogleMap (dcdgooglemap) 1.1.0 and earlier extension for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unknown vectors.
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Analysis
by VulDB Data Team • 11/05/2018
The CVE-2008-6687 vulnerability represents a critical cross-site scripting flaw discovered in the DCD GoogleMap extension version 1.1.0 and earlier for the TYPO3 content management system. This vulnerability resides within the extension's handling of user-supplied input data, creating a pathway for malicious actors to execute arbitrary web scripts or HTML code within the context of other users' browsers. The vulnerability affects a widely used TYPO3 extension that integrates Google Maps functionality into websites, making it a potential target for attackers seeking to compromise web applications built on this platform.
The technical nature of this XSS vulnerability stems from inadequate input validation and output encoding mechanisms within the DCD GoogleMap extension. When users interact with the extension's interface or when the extension processes data from external sources, the application fails to properly sanitize or escape user-controllable parameters before incorporating them into dynamically generated web pages. This allows attackers to inject malicious payloads that execute in the browser context of legitimate users who visit affected pages. The vulnerability's classification as a reflected XSS issue indicates that the malicious script is executed as part of a request to the web application, typically through crafted URLs or form submissions that contain the malicious code.
The operational impact of this vulnerability extends beyond simple script execution, as it provides attackers with the capability to hijack user sessions, steal sensitive information, deface websites, or redirect users to malicious sites. An attacker could exploit this vulnerability by crafting specially designed URLs or manipulating form inputs that would be processed by the vulnerable extension. Once executed, the injected scripts could access cookies, session tokens, or other sensitive data stored in the browser's memory. The vulnerability affects not only the end users but also the website administrators who may inadvertently encounter the malicious content when browsing their own sites, potentially leading to privilege escalation or further compromise of the web application environment.
Organizations utilizing TYPO3 with the DCD GoogleMap extension are strongly advised to implement immediate mitigations including updating to the latest available version of the extension, which should contain proper input validation and output encoding measures. Additionally, implementing Content Security Policy headers can provide an additional layer of protection against XSS attacks by restricting the sources from which scripts can be loaded. Security practitioners should also consider implementing web application firewalls to detect and block suspicious input patterns, and conduct regular security assessments to identify similar vulnerabilities in other third-party extensions. This vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws, and represents a common vector for attackers following ATT&CK technique T1566, which covers phishing with malicious attachments and links. The remediation process should include thorough code review of the extension's input handling mechanisms and implementation of proper sanitization routines to prevent similar vulnerabilities from emerging in the future.