PT-2025-38635 · WordPress · Browser Sniff

Johska · Published 2025-09-20 · Updated 2025-09-20 · CVE-2025-9883

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Browser Sniff versions prior to 2.3

Description The Browser Sniff plugin for WordPress is susceptible to Cross-Site Request Forgery due to missing or incorrect nonce validation on a function. This allows unauthenticated attackers to update settings and inject malicious web scripts via a forged request if they can trick a site administrator into performing an action, such as clicking a link.

Recommendations Update Browser Sniff to a version later than 2.3.

Fix

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2025-9883

Affected Products

Browser Sniff

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2025-9883 · Security Note
• https://wordfence.com/threat-intel/vulnerabilities/id/b7210fd7-0812-47bc-bc62-d69280253e0a?source=cve · Note
• https://wordpress.org/plugins/browser-sniff · Note
• https://t.me/CVEtracker/32993 · Telegram Post
• https://plugins.trac.wordpress.org/browser/browser-sniff/tags/2.3/browsersniff.php#L88 · Note