CVE-2025-9883
The Browser Sniff plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.3. This is due to missing or incorrect nonce validation on a function. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
- Score
- CVSS 3.1 6.1 Medium
- Status
- Deferred - security@wordfence.com
- Published
- 2025-09-20
- Last modified
- 2026-04-08
- Weaknesses
- CWE-352
Affected products
References
- https://plugins.trac.wordpress.org/browser/browser-sniff/tags/2.3/browsersniff.php#L88
- https://wordpress.org/plugins/browser-sniff/
- https://www.wordfence.com/threat-intel/vulnerabilities/id/b7210fd7-0812-47bc-bc62-d69280253e0a?source=cve