CVE-2024-56262 identifies a stored cross-site scripting (XSS) vulnerability in the GS Coaches plugin developed by GS Plugins, affecting all versions up to 1.1.0. The vulnerability stems from improper neutralization of user-supplied input during web page generation, allowing malicious scripts to be embedded and stored within the application’s data. When a victim accesses a page containing the malicious payload, the script executes in their browser context, potentially leading to session hijacking, credential theft, or unauthorized actions performed on behalf of the user. Stored XSS is particularly dangerous because the malicious code persists on the server and can affect multiple users without requiring repeated attacker input. No CVSS score has been assigned yet, and no public exploits are known at this time. The vulnerability affects websites using the GS Coaches plugin, which is likely deployed on WordPress platforms for coaching or educational purposes. The lack of authentication requirement and the persistent nature of the XSS increase the attack surface and potential impact. The vulnerability was reserved in December 2024 and published in January 2025, indicating recent discovery and disclosure. No official patches or mitigation links are provided yet, suggesting that users must monitor vendor updates or apply manual mitigations.

The stored XSS vulnerability in GS Coaches can have severe consequences for affected organizations. Attackers can execute arbitrary JavaScript in the context of users’ browsers, leading to theft of session cookies, enabling account takeover, or performing unauthorized actions such as changing user settings or injecting further malicious content. This compromises confidentiality and integrity of user data and can damage the reputation of affected websites. Additionally, attackers can use the vulnerability to deliver malware or redirect users to phishing sites, impacting availability indirectly through loss of user trust and potential blacklisting by search engines or security tools. Organizations relying on GS Coaches for coaching or educational services may face disruption of services and loss of user confidence. The ease of exploitation without authentication or user interaction beyond visiting a compromised page broadens the scope of potential victims. Although no exploits are currently known, the vulnerability’s characteristics make it a likely target for attackers once weaponized. The impact is particularly critical for organizations handling sensitive user information or financial transactions through the affected plugin.

To mitigate CVE-2024-56262, organizations should first monitor GS Plugins’ official channels for patches or updates addressing this vulnerability and apply them promptly once available. In the absence of an official patch, administrators should implement input validation and output encoding on all user-supplied data rendered by the GS Coaches plugin to neutralize potentially malicious scripts. Employing a web application firewall (WAF) with rules designed to detect and block XSS payloads can provide interim protection. Regularly audit and sanitize stored content within the plugin’s data storage to remove any injected scripts. Educate users and administrators about the risks of XSS and encourage the use of security headers such as Content Security Policy (CSP) to restrict script execution sources. Additionally, restrict plugin usage to trusted users and limit permissions to reduce the risk of malicious input submission. Conduct security testing and code reviews focused on input handling in the plugin environment. Finally, maintain regular backups to enable recovery if exploitation occurs.