CVE-2010-4886 in tweetbutton
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the "official twitter tweet button for your page" (tweetbutton) extension before 1.0.5 for TYPO3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 02/12/2019
The CVE-2010-4886 vulnerability represents a critical cross-site scripting flaw in the tweetbutton extension for TYPO3 content management systems. This vulnerability specifically affects versions prior to 1.0.5 and resides within the official twitter tweet button implementation that allows website administrators to integrate Twitter sharing functionality into their pages. The flaw enables remote attackers to inject malicious web scripts or HTML content through unspecified vectors, potentially compromising the security of websites that utilize this extension. The vulnerability's impact extends beyond simple data theft as it can enable attackers to manipulate user sessions, redirect visitors to malicious sites, or execute unauthorized actions on behalf of authenticated users.
The technical nature of this vulnerability aligns with CWE-79, which categorizes cross-site scripting flaws as weaknesses in web applications that allow attackers to inject client-side scripts into web pages viewed by other users. The tweetbutton extension's failure to properly sanitize or validate user input creates an environment where malicious actors can exploit this weakness through various injection vectors. The unspecified nature of the attack vectors suggests that the vulnerability may manifest through multiple entry points including but not limited to form fields, URL parameters, or dynamic content injection points within the extension's implementation. This lack of specificity in the vulnerability description often indicates that the flaw exists in fundamental input handling mechanisms rather than a single specific code path.
From an operational perspective, the vulnerability poses significant risks to TYPO3 website administrators and their visitors. When exploited, the XSS vulnerability could allow attackers to steal session cookies, perform unauthorized actions on behalf of users, redirect traffic to malicious domains, or deface websites with malicious content. The tweetbutton extension's integration into web pages means that any user visiting a compromised site could be affected, potentially leading to widespread impact across multiple websites. The vulnerability's presence in a widely used CMS extension increases the attack surface significantly, as many organizations rely on third-party extensions for social media integration. Security professionals must consider that this vulnerability could be exploited as part of broader attack campaigns targeting TYPO3 installations, particularly those with outdated extensions.
The remediation strategy for CVE-2010-4886 requires immediate attention from system administrators to upgrade the tweetbutton extension to version 1.0.5 or later, which contains the necessary security patches. Organizations should conduct comprehensive audits of their TYPO3 installations to identify all instances of the vulnerable extension and ensure proper patch management protocols are in place. Additionally, implementing content security policies and input validation measures can provide additional defense-in-depth layers against similar vulnerabilities. The ATT&CK framework categorizes this type of vulnerability under T1584, which involves the development of tools and techniques for exploitation, emphasizing the importance of maintaining up-to-date security controls and monitoring for signs of exploitation attempts. Regular security assessments and vulnerability scanning should be implemented to identify similar weaknesses in other CMS extensions and components that may present similar attack surfaces.