CVE-2025-13862 identifies a stored Cross-Site Scripting (XSS) vulnerability in the Menu Card plugin for WordPress developed by furqan-khanzada. This vulnerability arises from improper neutralization of input during web page generation, specifically via the 'category' parameter. Versions up to and including 0.8.0 fail to adequately sanitize and escape user-supplied input, allowing authenticated users with Contributor-level or higher privileges to inject arbitrary JavaScript code into pages. Because the malicious script is stored persistently, it executes in the context of any user who visits the infected page, potentially compromising session tokens, cookies, or enabling unauthorized actions. The vulnerability is classified under CWE-79 and has a CVSS 3.1 base score of 6.4, reflecting medium severity. The attack vector is network-based with low attack complexity, requiring privileges but no user interaction. The scope is changed as the vulnerability affects other users beyond the attacker. No known public exploits exist yet, but the risk remains significant due to the widespread use of WordPress and the plugin. The vulnerability impacts confidentiality and integrity but not availability. The absence of patches necessitates immediate mitigation through input validation, output encoding, and permission restrictions.

The primary impact of CVE-2025-13862 is on the confidentiality and integrity of affected WordPress sites using the Menu Card plugin. Exploitation allows attackers with Contributor or higher access to inject persistent malicious scripts, which execute in the browsers of site visitors or administrators. This can lead to session hijacking, theft of sensitive information, unauthorized actions performed on behalf of users, and potential site defacement. While availability is not directly affected, the reputational damage and potential data breaches can be severe. Organizations relying on this plugin for menu management risk compromise of user accounts and data leakage. The medium CVSS score reflects the need for timely remediation, especially in environments with multiple contributors or public-facing content. The vulnerability could be leveraged in targeted attacks against websites with valuable user bases or administrative personnel, increasing the risk for sectors such as e-commerce, education, and media.

To mitigate CVE-2025-13862, organizations should first verify if they use the vulnerable Menu Card plugin version 0.8.0 or earlier and plan immediate upgrades once patches become available. Until then, restrict Contributor-level and higher user permissions to trusted personnel only to reduce the risk of malicious input injection. Implement web application firewall (WAF) rules to detect and block suspicious payloads targeting the 'category' parameter. Apply manual input validation and output encoding in the plugin code if possible, sanitizing all user-supplied data before rendering. Monitor logs for unusual script injection attempts and conduct regular security audits of WordPress plugins. Consider disabling or replacing the plugin with alternatives that follow secure coding practices. Educate content contributors about the risks of injecting untrusted content. Finally, maintain up-to-date backups to enable recovery if compromise occurs.