CVE-2015-2198 in Beehive Forum
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in edit_prefs.php in Beehive Forum 1.4.4 allow remote attackers to inject arbitrary web script or HTML via the (1) homepage_url, (2) pic_url, or (3) avatar_url parameter, which are not properly handled in an error message.
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Analysis
by VulDB Data Team • 01/12/2025
The vulnerability identified as CVE-2015-2198 represents a critical cross-site scripting flaw discovered in the Beehive Forum 1.4.4 web application. This security weakness resides within the edit_prefs.php script which manages user preference settings, specifically affecting three parameter fields that handle user-provided URL inputs. The vulnerability classifies under CWE-79 which defines improper neutralization of input during web page generation, making it a classic example of client-side injection vulnerability that can be exploited by malicious actors to execute unauthorized scripts in victim browsers.
The technical exploitation of this vulnerability occurs when attackers manipulate the homepage_url, pic_url, or avatar_url parameters through the edit preferences interface. These parameters are processed without adequate sanitization or encoding mechanisms, allowing malicious input to be embedded directly into error messages displayed on the web interface. When legitimate users view these error messages, their browsers execute the injected malicious scripts, potentially leading to session hijacking, credential theft, or redirection to malicious sites. The vulnerability demonstrates poor input validation practices where user-supplied data flows directly into HTML output contexts without proper context-aware encoding.
Operationally, this vulnerability poses significant risks to both individual users and forum administrators. Attackers can leverage the XSS flaw to steal session cookies, potentially gaining unauthorized access to user accounts and escalating privileges within the forum environment. The impact extends beyond simple script execution as it can facilitate more sophisticated attacks such as credential harvesting, data exfiltration, or the deployment of malware through browser-based attacks. The persistent nature of the vulnerability means that any user who views affected pages could become compromised, creating a widespread attack surface that grows with user activity and forum popularity.
Mitigation strategies for CVE-2015-2198 should focus on implementing proper input sanitization and output encoding mechanisms. The most effective approach involves applying context-specific encoding to all user-supplied data before rendering it in HTML contexts, particularly in error message displays. Organizations should implement strict input validation that rejects or sanitizes potentially malicious URL formats and ensure that all parameters are properly escaped when rendered in web pages. Additionally, the forum should be upgraded to a patched version that addresses this vulnerability, as the original Beehive Forum 1.4.4 release contains this flaw in its core functionality. Security monitoring should include detection of unusual URL patterns and parameter manipulation attempts that could indicate exploitation attempts. This vulnerability aligns with ATT&CK technique T1059.007 for script injection and T1566 for credential access, demonstrating how seemingly minor input validation gaps can create substantial security risks in web applications.