CVE-2025-6538: 
WordPress vulnerability analysis and mitigation

The Post Rating and Review plugin for WordPress (CVE-2025-6538) contains a Stored Cross-Site Scripting vulnerability affecting all versions up to and including 1.3.4. The vulnerability was discovered and disclosed on June 25, 2025, and affects the plugin's 'class' parameter functionality (NVD, Wiz).

The vulnerability stems from insufficient input sanitization and output escaping in the 'class' parameter of the Post Rating and Review WordPress plugin. The issue has been assigned a CVSS v3.1 base score of 6.4 (Medium) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N. The vulnerability is classified as CWE-79: Improper Neutralization of Input During Web Page Generation (Wordfence).

When exploited, this vulnerability allows authenticated attackers with Contributor-level access or higher to inject arbitrary web scripts into pages. These malicious scripts will execute whenever any user accesses the compromised page, potentially leading to data theft, session hijacking, or other malicious actions (NVD).

The plugin has been temporarily closed as of June 23, 2025, pending a full security review. Users are advised to disable and remove the plugin until a patched version is released (WordPress Plugin).