CVE-2012-2591 in EmailArchitect Email Server
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in EmailArchitect Email Server 10.0 and 10.0.0.3 allow remote attackers to inject arbitrary web script or HTML via the (1) From or (2) Date field in an email.
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Analysis
by VulDB Data Team • 09/12/2025
The CVE-2012-2591 vulnerability represents a critical cross-site scripting flaw in EmailArchitect Email Server versions 10.0 and 10.0.0.3 that exposes organizations to significant web application security risks. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, specifically manifesting as reflected XSS attacks that occur when the email server fails to properly sanitize user-supplied input in email headers. The flaw exists in the handling of email metadata fields, particularly the From and Date fields, where unfiltered input can be executed within web interfaces that display email content. Attackers can exploit this vulnerability by crafting malicious emails containing script tags or HTML content in these specific header fields, which then get rendered when users view the email through the web-based email interface.
The technical exploitation of this vulnerability occurs through the manipulation of email header fields that are typically displayed in web-based email clients. When an attacker sends an email with malicious script code embedded in the From or Date field, the email server processes this input without adequate sanitization or encoding. The web interface then renders this unfiltered content, causing the embedded scripts to execute within the context of the victim's browser session. This creates a persistent threat vector where legitimate users who access their email through the web interface become unwitting participants in the attack, potentially leading to session hijacking, credential theft, or redirection to malicious sites.
The operational impact of CVE-2012-2591 extends beyond simple script execution, as it provides attackers with a foothold for more sophisticated attacks within organizational email ecosystems. According to ATT&CK framework T1566.001, this vulnerability enables initial access through spearphishing with malicious attachments or links, while the XSS capability can be leveraged for credential theft through session manipulation. Organizations using EmailArchitect Email Server become vulnerable to man-in-the-middle attacks where attackers can intercept and modify email content, potentially compromising sensitive communications. The vulnerability also creates opportunities for attackers to establish persistent access through cookie theft or browser-based attacks, as the compromised web interface becomes a potential command and control channel for further exploitation.
Mitigation strategies for CVE-2012-2591 should focus on immediate input validation and output encoding measures. Organizations must implement proper sanitization of all user-supplied input, particularly in email header fields, through the application of strict encoding rules such as HTML entity encoding for output rendering. The principle of least privilege should be enforced by ensuring that email server components have minimal necessary permissions and that web interfaces properly validate and sanitize all incoming data. Security patches from EmailArchitect should be applied immediately, as this vulnerability has been addressed in subsequent versions of the software. Network segmentation and web application firewalls can provide additional protection layers, while regular security assessments should include testing for similar XSS vulnerabilities in email processing components. The vulnerability demonstrates the critical importance of input validation in web applications and highlights how seemingly innocuous email metadata fields can become attack vectors when proper security controls are not implemented.