CVE-2010-2846 in Com Artforms
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the InterJoomla ArtForms (com_artforms) component 2.1b7.2 RC2 for Joomla! allows remote attackers to inject arbitrary web script or HTML via the afmsg parameter to index.php.
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Analysis
by VulDB Data Team • 07/06/2025
The CVE-2010-2846 vulnerability represents a critical cross-site scripting flaw within the InterJoomla ArtForms component version 2.1b7.2 RC2 for Joomla! platforms. This vulnerability specifically affects web applications that utilize the Joomla content management system and exposes them to malicious injection attacks through improperly sanitized input parameters. The flaw resides in the handling of user-supplied data within the afmsg parameter of the index.php script, which fails to adequately validate or escape potentially harmful content before processing.
The technical implementation of this vulnerability stems from insufficient input validation mechanisms within the ArtForms component's message handling functionality. When users submit data through the component's interface, the afmsg parameter receives raw input without proper sanitization procedures that would normally protect against script injection attacks. This weakness creates an exploitable pathway where remote attackers can craft malicious payloads that get executed in the context of other users' browsers who view the affected content. The vulnerability operates under CWE-79 which categorizes improper neutralization of input during web output, specifically targeting cross-site scripting scenarios where attacker-controlled data flows into web page content.
From an operational perspective, this vulnerability poses significant risks to Joomla! websites utilizing the affected ArtForms component. Attackers can leverage this flaw to execute arbitrary JavaScript code in victims' browsers, potentially leading to session hijacking, credential theft, or redirection to malicious websites. The impact extends beyond simple data theft as the injected scripts can manipulate the affected web pages, modify content, or establish persistent malicious presence on the target site. The vulnerability's remote nature means attackers do not require local access or authentication to exploit it, making it particularly dangerous for publicly accessible web applications.
Security professionals should consider this vulnerability in the context of the broader ATT&CK framework, specifically under the T1059.007 technique for Command and Scripting Interpreter, where malicious code execution occurs through web-based interfaces. The exploitation process typically involves crafting specially formatted input containing malicious scripts that get processed and displayed without proper sanitization. Organizations should implement immediate mitigations including input validation, output encoding, and parameter sanitization measures. The recommended approach involves updating to the latest version of the ArtForms component, implementing proper content security policies, and deploying web application firewalls to detect and block malicious input patterns. Additionally, regular security audits and input validation testing should be conducted to prevent similar vulnerabilities from emerging in other components of the Joomla! platform ecosystem.