TI-2022-02284 Aliases CVE-2022-2473 GHSA-m3m9-j74g-58fw

WP-UserOnline <= 2.87.6 - Authenticated (Admin+) Stored Cross-Site Scripting

MEDIUM 58CWE-79Published 2022-09-06 · Updated 2026-04-08

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.01376 72nd percentileScored 2026-11-07

Public exploit Yes 4 exploit referencesTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
gamerz	WP-UserOnline	up to 2.87.6	—	No fix listed	CNA

WP-UserOnline Vendorgamerz Affected up to 2.87.6 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:wp-useronline_project:wp-useronline::::::wordpress::*	up to 2.87.6	Vulnerable	Wp-useronline Project

cpe:2.3:a:wp-useronline_project:wp-useronline:*:*:*:*:*:wordpress:*:* Versions up to 2.87.6 Vulnerable ·Wp-useronline Project

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2022-2473
2026-10-03 Alias added: GHSA-m3m9-j74g-58fw

References

Exploit 4

Patch 1

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2758412%40wp-useronline&new=2758412%40wp-useronline&sfp_email=&sfph_mail=

Advisory 3

TI-2022-02720 WP-UserOnline <= 2.88.0 - Authenticated (Admin+) Stored Cross-Site Scripting CVSS 3.1MEDIUM 5.5
TI-2026-16055 WP-Stats <= 2.56 - Unauthenticated Stored Cross-Site Scripting CVSS 3.1HIGH 7.2
TI-2025-04295 WP-DownloadManager <= 1.68.10 - Authenticated (Administrator+) Arbitrary File Deletion CVSS 3.1HIGH 7.2
TI-2006-00229 SQL injection vulnerability in wp-stats.php in GaMerZ WP-Stats 2.0 allows remote… CVSS 2.0HIGH 7.5
TI-2025-09838 WP-DownloadManager <= 1.68.11 - Authenticated (Admin+) Arbitrary File Upload CVSS 3.1HIGH 7.2
TI-2026-02058 Path traversal in gamerz WP-DownloadManager CVSS 3.1MEDIUM 6.5

See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences