CVE-2026-58077
Summary
by MITRE • 07/15/2026
The Joomla extension 4Analytics is vulnerable to an unauthenticated stored XSS. A specially crafted unauthenticated request may result in website takeover under some circumstances.
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Analysis
by VulDB Data Team • 07/15/2026
The vulnerability in the Joomla extension 4Analytics represents a critical security flaw that undermines the integrity of web applications relying on this component. This unauthenticated stored cross-site scripting vulnerability allows attackers to inject malicious scripts into the application's database through crafted requests that do not require authentication credentials. The flaw exists within the extension's handling of user input and its subsequent storage mechanisms, creating a persistent threat vector that can affect all users interacting with the vulnerable site.
Technical exploitation of this vulnerability involves crafting malicious payloads that are stored within the application's database and subsequently executed when other users access affected pages. The stored nature of this XSS means that the malicious code persists beyond the initial injection point, making it particularly dangerous as it can affect multiple users over extended periods. The vulnerability operates at the application layer where user-supplied data is not properly sanitized or validated before being stored and later rendered to end users. This type of flaw aligns with CWE-79 which specifically addresses cross-site scripting vulnerabilities in web applications.
The operational impact of this vulnerability extends beyond simple script execution, as it can potentially lead to complete website takeover under certain circumstances. Attackers leveraging this vulnerability may gain unauthorized access to administrative functions, steal session cookies, redirect users to malicious sites, or even inject backdoors for persistent access. The unauthenticated nature of the exploit means that attackers do not need valid user credentials to initiate the attack, significantly broadening the threat surface. This vulnerability can be particularly devastating in environments where administrators rely on the extension for analytics and user behavior tracking.
The risk assessment for this vulnerability should consider several factors including the prevalence of the extension within Joomla installations, the ease of exploitation, and potential impact on sensitive data. Organizations using 4Analytics extension must immediately implement mitigation measures while awaiting official patches from the vendor. The lack of authentication requirements makes this vulnerability particularly attractive to automated attack tools that scan for common web application flaws. Security professionals should also consider implementing web application firewalls and input validation mechanisms as interim protective measures while permanent fixes are deployed.
Mitigation strategies should include immediate patching of the extension to address the stored XSS vulnerability, followed by comprehensive security audits of all installed Joomla extensions. Network monitoring should be enhanced to detect suspicious traffic patterns that may indicate exploitation attempts. The principle of least privilege should be applied to restrict the extension's database access permissions, minimizing potential damage from successful attacks. Organizations should also implement content security policies and regularly update their security configurations to prevent similar vulnerabilities in other components. This vulnerability highlights the importance of proper input validation and output encoding practices as recommended by the OWASP Top Ten project and aligns with ATT&CK technique T1059.001 for command and scripting interpreter execution through web application vulnerabilities.