CVE-2025-9816: WP Statistics <= 14.5.4 - Unauthenticated Stored Cross-Site Scripting via User-Agent Header
The WP Statistics – The Most Popular Privacy-Friendly Analytics Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the User-Agent Header in all versions up to, and including, 14.5.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-9816?
CVE-2025-9816 has a high severity level due to its potential for stored cross-site scripting attacks.
How do I fix CVE-2025-9816?
To fix CVE-2025-9816, update the WP Statistics plugin to the latest version beyond 14.5.4, ensuring proper input sanitization and output escaping.
What versions of the WP Statistics plugin are affected by CVE-2025-9816?
CVE-2025-9816 affects all versions of the WP Statistics plugin up to and including 14.5.4.
What type of vulnerability is CVE-2025-9816?
CVE-2025-9816 is classified as a Stored Cross-Site Scripting vulnerability.
Who is impacted by CVE-2025-9816?
Anyone using the affected versions of the WP Statistics plugin on their WordPress sites is impacted by CVE-2025-9816.