CVE-2025-9883

medium

Description

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.

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/b7210fd7-0812-47bc-bc62-d69280253e0a?source=cve

https://wordpress.org/plugins/browser-sniff/

https://plugins.trac.wordpress.org/browser/browser-sniff/tags/2.3/browsersniff.php#L88

Details

Source: Mitre, NVD

Published: 2025-09-20

Updated: 2025-09-22

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00012