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CVE-2022-2473 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.8 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CNA: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://packetstormsecurity.com/files/167864/wpuseronline2876-xss.txt	CVE	ExploitThird Party AdvisoryVDB Entry
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2758412%40wp-useronline&new=2758412%40wp-useronline&sfp_email=&sfph_mail=	CVE	Patch
https://www.exploitalert.com/view-details.html?id=38893	CVE	ExploitThird Party Advisory
https://www.exploitalert.com/view-details.html?id=38912	CVE	ExploitThird Party Advisory
https://www.exploit-db.com/exploits/50988	CVE	Third Party AdvisoryVDB Entry
https://www.wordfence.com/threat-intel/vulnerabilities/id/6a44a55e-a96a-4698-9948-6ef33138a834?source=cve	CVE	Third Party Advisory
https://www.wordfence.com/vulnerability-advisories/#CVE-2022-2473	CVE	Third Party Advisory
https://youtu.be/Q3zInrUnAV0	CVE	Exploit
https://packetstormsecurity.com/files/167864/wpuseronline2876-xss.txt	[email protected]	ExploitThird Party AdvisoryVDB Entry
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2758412%40wp-useronline&new=2758412%40wp-useronline&sfp_email=&sfph_mail=	[email protected]	Patch
https://www.exploitalert.com/view-details.html?id=38893	[email protected]	ExploitThird Party Advisory
https://www.exploitalert.com/view-details.html?id=38912	[email protected]	ExploitThird Party Advisory
https://www.exploit-db.com/exploits/50988	[email protected]	Third Party AdvisoryVDB Entry
https://www.wordfence.com/threat-intel/vulnerabilities/id/6a44a55e-a96a-4698-9948-6ef33138a834?source=cve	[email protected]	Third Party Advisory
https://www.wordfence.com/vulnerability-advisories/#CVE-2022-2473	[email protected]	Third Party Advisory
https://youtu.be/Q3zInrUnAV0	[email protected]	Exploit

see all 16 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	CISA-ADP
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]

Affected Products

Product	Versions
wp-useronline project wp-useronline	<= 2.87.6
CPE cpe:2.3:a:wp-useronline_project:wp-useronline::::::wordpress::* Remediation No remediation found in references.

Change History

10 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 17, 2026	CVE Modified	[email protected]
Apr 8, 2026	CVE Modified	[email protected]
May 5, 2025	CVE Modified	CISA-ADP
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Oct 24, 2023	Modified Analysis	[email protected]
Oct 20, 2023	CVE Modified	[email protected]
Sep 10, 2022	Initial Analysis	[email protected]