WP Statistics <= 14.5.4 - Unauthenticated Stored Cross-Site Scripting via User-Agent Header

2025-09-26 16:25

Dmitrii Ignatyev

Strategic Overview

Status

Patched in 14.15.5

Affected PluginWP Statistics – Simple, privacy-friendly Google Analytics alternative

Affected Version<= 14.15.4

CVSS7.2High

CVECVE-2025-9816

View all WP Statistics – Simple, privacy-friendly Google Analytics alternative vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 14.15.5, or a newer patched version --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

External References

https://www.cve.org/CVERecord?id=CVE-2025-9816 https://www.wordfence.com/threat-intel/vulnerabilities/id/d8351204-da6d-443a-98b5-0608bfb1e9d0

CVSS Vector

7.2

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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