High severity · published Sep 27, 2025
CVE-2025-9816
WP Statistics <= 14.5.4 - Unauthenticated Stored Cross-Site Scripting via User-Agent Header
7.2
CVSS
10.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)10.2% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WS
WP Statistics – Simple, privacy-friendly Google Analytics alternative · veronalabs
through 14.15.4 · source: vendor
Affected product
WS
WP Statistics – Simple, privacy-friendly Google Analytics alternative
veronalabs
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-9816
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-9816
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/wp-statistics/tags/14.15.3/includes/admin/templates/pages/devices/models.php#L31
www.wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/d8351204-da6d-443a-98b5-0608bfb1e9d0?source=cve
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