CVE-2025-3869 in 4stats Plugin
Summary
by MITRE • 05/24/2025
The 4stats plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.9. This is due to missing or incorrect nonce validation on the stats/stats.php page. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
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Analysis
by VulDB Data Team • 05/24/2025
The 4stats plugin for WordPress represents a significant security vulnerability classified as CVE-2025-3869, affecting all versions up to and including 2.0.9. This vulnerability manifests as a cross-site request forgery flaw that fundamentally compromises the integrity of WordPress administrative functions. The issue stems from inadequate nonce validation mechanisms within the stats/stats.php page, which serves as the primary interface for statistical data processing and configuration management. The absence of proper cryptographic token verification creates an exploitable pathway that malicious actors can leverage to manipulate plugin settings and potentially compromise entire WordPress installations.
The technical implementation of this vulnerability aligns with CWE-352, which specifically addresses cross-site request forgery conditions in web applications. Attackers can exploit this weakness by crafting malicious requests that appear to originate from legitimate administrative sessions. The vulnerability's impact is particularly severe because it requires no authentication from the attacker, making it an attractive target for automated exploitation campaigns. The missing nonce validation essentially removes the critical security check that ensures requests are genuinely initiated by authorized users, allowing unauthorized modifications to be silently executed within the context of an authenticated administrator's session.
Operational implications of this vulnerability extend beyond simple configuration changes, as it provides attackers with a foothold for more sophisticated attacks within the WordPress ecosystem. When an administrator clicks on a malicious link or visits a compromised website, the forged request can execute without their knowledge, potentially modifying plugin settings, injecting malicious scripts, or altering statistical data collection parameters. This creates a dangerous scenario where administrators remain unaware of ongoing compromise while attackers silently establish persistent access vectors. The vulnerability's exploitation does not require advanced technical skills, making it particularly dangerous for widespread deployment in automated attack frameworks.
The security implications of CVE-2025-3869 align with ATT&CK technique T1548.002, which covers abuse of cloud services and administrative privileges through compromised accounts. This vulnerability essentially enables attackers to gain unauthorized access to administrative functions through social engineering tactics, creating a persistent threat that can be exploited across multiple WordPress installations. Organizations running affected versions of the 4stats plugin face significant risk of data manipulation, potential privilege escalation, and establishment of backdoor access points. The attack surface expands when considering that many WordPress administrators may unknowingly click on malicious links in phishing campaigns or compromised websites, making this vulnerability particularly dangerous in real-world deployment scenarios.
Mitigation strategies should prioritize immediate plugin updates to versions that implement proper nonce validation mechanisms and address the CSRF vulnerability at its source. System administrators must conduct comprehensive vulnerability assessments to identify all affected installations and ensure proper patch management protocols are in place. Additional protective measures include implementing web application firewalls to detect and block suspicious requests, establishing robust monitoring for unauthorized configuration changes, and conducting regular security audits of installed plugins. The remediation process should also include educating administrators about social engineering risks and implementing multi-factor authentication to provide additional layers of protection beyond the basic CSRF mitigation. Organizations should also consider implementing network segmentation and access controls to limit the potential impact of successful exploitation attempts.