CVE-2014-2077 in AppSuite
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the frontend in Open-Xchange (OX) AppSuite 7.4.1 before 7.4.1-rev10 and 7.4.2 before 7.4.2-rev8 allows remote attackers to inject arbitrary web script or HTML via the subject of an email, involving 'the aria "tags" for screenreaders at the top bar'.
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Analysis
by VulDB Data Team • 05/08/2026
The vulnerability identified as CVE-2014-2077 represents a critical cross-site scripting flaw within the Open-Xchange AppSuite email platform, specifically affecting versions prior to 7.4.1-rev10 and 7.4.2-rev8. This security weakness resides in the frontend component of the application where user input is processed without adequate sanitization or validation mechanisms. The vulnerability manifests when email subjects containing malicious scripts are processed and displayed within the application's user interface, particularly in the top bar area where aria tags are utilized for screenreader accessibility purposes.
The technical exploitation of this vulnerability occurs through the improper handling of user-supplied data within the email subject field. When an attacker crafts a malicious email with specially crafted subject lines containing embedded script code, the application fails to properly sanitize this input before rendering it in the browser context. The aria tags functionality, designed to enhance accessibility for users with disabilities, becomes a vector for attack as these attributes are not adequately filtered or escaped during the rendering process. This creates an environment where malicious JavaScript code can be executed within the context of a victim's browser session, bypassing standard security boundaries.
The operational impact of this vulnerability extends beyond simple data theft or defacement, as it provides attackers with the ability to execute arbitrary code within the victim's browser environment. This could enable session hijacking, credential theft, data exfiltration, or the deployment of additional malware payloads. The vulnerability affects all users of the affected Open-Xchange AppSuite versions who interact with email communications, making it particularly dangerous in enterprise environments where email remains a primary communication channel. Attackers could exploit this vulnerability to compromise user sessions, access sensitive corporate data, or establish persistent access points within network environments.
Mitigation strategies for CVE-2014-2077 should prioritize immediate application updates to versions 7.4.1-rev10 or 7.4.2-rev8 where the vulnerability has been addressed through proper input sanitization and output encoding mechanisms. Organizations should implement comprehensive input validation policies that enforce strict sanitization of all user-supplied data, particularly in fields that are rendered in browser contexts. The implementation of Content Security Policy headers can provide additional protection against script execution, while regular security audits of frontend components should verify proper escaping of dynamic content. This vulnerability aligns with CWE-79, which categorizes cross-site scripting as a critical weakness in web applications, and maps to ATT&CK technique T1566.001 for initial access through spearphishing attachments, highlighting the importance of email security controls in protecting against such exploitation vectors.