CVE-2024-7716 in Logo Slider Plugin
Summary
by MITRE • 09/11/2024
The Logo Slider WordPress plugin before 3.6.9 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
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Analysis
by VulDB Data Team • 03/10/2025
The vulnerability identified as CVE-2024-7716 affects the Logo Slider WordPress plugin version 3.6.8 and earlier, presenting a critical security risk through stored cross-site scripting flaws. This issue specifically targets the plugin's handling of user settings where insufficient sanitization and escaping mechanisms leave the system vulnerable to malicious script injection. The flaw exists within the plugin's administrative interface where configuration parameters are processed without proper input validation, creating an attack surface that can be exploited by users with administrative privileges.
The technical implementation of this vulnerability stems from the plugin's failure to properly sanitize user-supplied data within its settings management system. When administrators configure the logo slider plugin, various parameters including image URLs, custom CSS, and other configuration options are stored in the WordPress database without adequate sanitization. This oversight creates a persistent XSS vulnerability where malicious scripts can be injected into the plugin's settings and subsequently executed whenever the affected pages are rendered. The vulnerability is particularly concerning because it operates even when the unfiltered_html capability is restricted, which is a standard security measure in multisite WordPress environments where administrators typically cannot inject raw HTML content.
The operational impact of CVE-2024-7716 extends beyond simple script execution as it provides attackers with a persistent foothold within the WordPress environment. Once exploited, the stored XSS attack can be used to steal administrator sessions, modify plugin configurations, or redirect users to malicious websites. The vulnerability affects WordPress multisite installations where the unfiltered_html capability is disabled, making it particularly dangerous in enterprise environments where security hardening is implemented. Attackers can leverage this flaw to maintain long-term access to compromised sites, potentially leading to complete takeover of the WordPress installation and broader network compromise.
From a cybersecurity perspective, this vulnerability aligns with CWE-79 which describes cross-site scripting flaws, and maps to ATT&CK technique T1546.001 for modifying system binaries and T1078 for valid accounts. The attack vector requires an authenticated administrator account, making it a privilege escalation vulnerability that can be leveraged for more extensive compromise. Organizations should immediately update to version 3.6.9 or later of the Logo Slider plugin to remediate this vulnerability. Additional mitigations include implementing proper input validation at multiple layers, conducting regular security audits of WordPress plugins, and maintaining strict access controls with the principle of least privilege. The vulnerability demonstrates the critical importance of proper data sanitization in web applications and highlights the need for security-conscious development practices in plugin development for content management systems.