CVE-2022-2473

MEDIUM

WP-UserOnline <= 2.87.6 - Authenticated Stored Cross-Site Scripting via browsingpage text Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2022-2473. PoCs published by Steffin Stanly.

AI-analyzed exploit summary This is a writeup describing a stored XSS vulnerability in the WordPress plugin WP-UserOnline version 2.87.6 and below. The exploit involves injecting a malicious script into the 'User(s) Browsing Site' field, which executes when the dashboard is visited.

Description

The WP-UserOnline plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘templates[browsingpage][text]' parameter in versions up to, and including, 2.87.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with administrative capabilities and above to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The only affects multi-site installations and installations where unfiltered_html is disabled.

Exploits (1)

exploitdb WRITEUP
by Steffin Stanly · textwebappsphp
https://www.exploit-db.com/exploits/50988

This is a writeup describing a stored XSS vulnerability in the WordPress plugin WP-UserOnline version 2.87.6 and below. The exploit involves injecting a malicious script into the 'User(s) Browsing Site' field, which executes when the dashboard is visited.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: WP-UserOnline <= 2.87.6
Auth required
Prerequisites: WordPress installation · WP-UserOnline plugin installed and activated · Admin access to WordPress dashboard
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Scores

CVSS v3 5.5
EPSS 0.0095
EPSS Percentile 56.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (2)
gamerz/WP-UserOnline < 2.87.6
wp-useronline_project/wp-useronline < 2.87.6
Published Sep 06, 2022
Tracked Since Feb 18, 2026