CVE-2022-2473

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

MEDIUM
4.8
CVSS Score
Published: September 6, 2022 at 05:18 PM UTC
Updated: June 17, 2026 at 04:41 AM UTC
2 products affected across 2 vendorsWp UseronlineWP-UserOnline

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Severity
MEDIUM4.8
Exploit prediction
EPSS 1%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 2.87.6
WP-UserOnline· Gamerzwordpress-plugin
60%
v ≤ 2.87.6

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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