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Vulnerability DatabaseCVE-2025-9883

CVE-2025-9883: 
WordPress vulnerability analysis and mitigation

Overview

The Browser Sniff plugin for WordPress contains a Cross-Site Request Forgery (CSRF) vulnerability that can lead to Stored Cross-Site Scripting (XSS) in all versions up to and including 2.3. The vulnerability was discovered and disclosed on September 19, 2025, with the plugin being temporarily closed on September 17, 2025, pending a full security review (Wordfence Intel, WordPress Plugin).

Technical details

The vulnerability has been assigned a CVSS score of 6.1 (Medium severity). The security researcher johska identified this vulnerability which combines CSRF and Stored XSS attack vectors (Wordfence Intel).

Impact

The combination of CSRF and Stored XSS vulnerabilities could allow attackers to execute malicious scripts in users' browsers, potentially leading to unauthorized actions and data theft when users visit affected WordPress sites running the vulnerable Browser Sniff plugin (Wordfence Intel).

Mitigation and workarounds

As a mitigation measure, the plugin has been temporarily closed and is no longer available for download from the WordPress plugin repository as of September 17, 2025, pending a complete security review (WordPress Plugin).

Additional resources

Source: This report was generated using AI

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