CVE-2025-22705 identifies a Cross-Site Request Forgery (CSRF) vulnerability in the godthor Disqus Popular Posts plugin, affecting versions up to and including 2.1.1. CSRF vulnerabilities occur when a web application does not properly verify that requests originate from legitimate users, allowing attackers to trick authenticated users into executing unwanted actions. In this case, the plugin's lack of CSRF protections enables attackers to craft malicious requests that, when executed by an authenticated user, can manipulate plugin settings or perform other unauthorized actions. Furthermore, the plugin suffers from a reflected Cross-Site Scripting (XSS) vulnerability, which can be exploited to inject malicious scripts into web pages viewed by users. The combination of CSRF and reflected XSS increases the attack surface, as attackers can use XSS to steal session tokens or perform further attacks after exploiting CSRF. The vulnerability affects websites using the Disqus Popular Posts plugin, which is commonly integrated into WordPress sites to display popular posts with Disqus comments. No CVSS score has been assigned yet, and no patches or known exploits are currently available. The vulnerability was reserved in early January 2025 and published in February 2025, indicating recent discovery. The absence of patches means affected sites remain vulnerable until mitigations or updates are applied.

The impact of this vulnerability is significant for organizations running websites with the godthor Disqus Popular Posts plugin. Successful exploitation can lead to unauthorized actions performed with the privileges of authenticated users, potentially allowing attackers to alter plugin configurations, manipulate displayed content, or inject malicious scripts via the reflected XSS flaw. This can compromise user confidentiality by stealing session cookies or credentials, degrade data integrity by altering site content, and affect availability if the plugin or site functionality is disrupted. For organizations relying on the plugin for user engagement and content display, this can damage reputation and user trust. The lack of authentication requirements for exploitation and the ease of triggering CSRF attacks increase the risk. Although no known exploits exist yet, the vulnerability's public disclosure may prompt attackers to develop exploits rapidly. Organizations with high-traffic websites or those handling sensitive user data are particularly at risk.

To mitigate this vulnerability, organizations should immediately audit their use of the godthor Disqus Popular Posts plugin and consider disabling it if not essential. Implementing CSRF tokens for all state-changing requests within the plugin is critical to prevent unauthorized actions. Input validation and output encoding should be enhanced to address the reflected XSS issue, ensuring that user-supplied data is properly sanitized before rendering. Monitoring web application logs for unusual or suspicious requests can help detect exploitation attempts. Organizations should stay alert for official patches or updates from the vendor and apply them promptly once available. As a temporary measure, web application firewalls (WAFs) can be configured to block suspicious CSRF and XSS attack patterns targeting the plugin endpoints. Additionally, educating users about the risks of clicking on untrusted links while authenticated can reduce the likelihood of successful CSRF attacks. Regular security assessments and penetration testing focusing on plugin vulnerabilities are recommended to identify and remediate similar issues proactively.