CVE-2025-9816

HIGH

WP Statistics - WordPress <14.5.4 - XSS

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2025-9816. PoCs published by monzaviman.

AI-analyzed exploit summary This repository contains a functional exploit PoC for CVE-2025-9816, a stored XSS vulnerability in the WP-Statistics WordPress plugin. The exploit demonstrates how an unauthenticated attacker can inject arbitrary web scripts via the User-Agent header, which are then executed when a user accesses an injected page.

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.

Exploits (1)

nomisec WORKING POC
by monzaviman · poc
https://github.com/monzaviman/CVE-2025-9816

This repository contains a functional exploit PoC for CVE-2025-9816, a stored XSS vulnerability in the WP-Statistics WordPress plugin. The exploit demonstrates how an unauthenticated attacker can inject arbitrary web scripts via the User-Agent header, which are then executed when a user accesses an injected page.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Moderate
Reliability
Reliable
Target: WP-Statistics WordPress plugin versions up to and including 14.5.4
No auth needed
Prerequisites: Target WordPress site with vulnerable WP-Statistics plugin installed · Network access to the target site
devstral-2 · analyzed Feb 19, 2026 Full analysis →

Scores

CVSS v3 7.2
EPSS 0.0885
EPSS Percentile 94.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
veronalabs/WP Statistics – Simple, privacy-friendly Google Analytics alternative < 14.15.4
Published Sep 27, 2025
Tracked Since Feb 18, 2026