CVE-2012-1080 in Skt Eurocalc
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the Euro Calculator (skt_eurocalc) extension 0.0.1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 01/30/2018
The CVE-2012-1080 vulnerability represents a cross-site scripting flaw within the Euro Calculator extension version 0.0.1 for a content management system. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is one of the most prevalent and dangerous web application security weaknesses. The vulnerability allows remote attackers to inject malicious scripts into web pages viewed by other users, potentially enabling them to steal session cookies, perform unauthorized actions, or redirect users to malicious websites. The specific vectors for exploitation remain unspecified in the description, which is common in older vulnerability reports where detailed technical information was not fully documented at the time of discovery.
The technical implementation of this XSS vulnerability stems from inadequate input validation and output encoding within the Euro Calculator extension. When users interact with the extension, particularly when entering currency conversion values or other data inputs, the application fails to properly sanitize or encode user-supplied data before rendering it in web pages. This creates an environment where malicious actors can embed script tags or other HTML content that executes in the context of other users' browsers. The vulnerability affects the extension's ability to properly handle user input, creating a persistent security gap that can be exploited across different user sessions and browser contexts.
From an operational impact perspective, this vulnerability poses significant risks to organizations using the affected extension. Attackers could exploit the XSS flaw to execute malicious scripts that compromise user sessions, steal sensitive information, or manipulate the extension's functionality. The potential for session hijacking is particularly concerning as it could allow attackers to impersonate legitimate users and access restricted areas of the website. Additionally, the vulnerability may enable attackers to deface web pages, redirect users to phishing sites, or perform other malicious activities that could damage the organization's reputation and compromise user trust. The impact extends beyond individual user sessions to potentially affect the entire website's security posture and data integrity.
Mitigation strategies for CVE-2012-1080 should focus on immediate remediation and long-term security improvements. The most effective immediate solution involves updating or replacing the vulnerable Euro Calculator extension with a patched version that properly implements input validation and output encoding. Organizations should also implement comprehensive input sanitization measures, including the use of context-appropriate encoding techniques such as HTML entity encoding for output rendering. The implementation of Content Security Policy (CSP) headers can provide additional protection against XSS attacks by restricting the sources from which scripts can be loaded. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other extensions or components. This vulnerability aligns with ATT&CK technique T1059.001 for command and scripting interpreter, as it enables attackers to execute malicious scripts within user browsers, and T1566 for spearphishing attachments, as the attack vector could involve malicious scripts delivered through compromised website content.