CVE-2022-2473

low-risk
Published 2022-09-06

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.

Do I need to act?

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0.99% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Wp-Useronline Project

References (16)

Exploit https://packetstormsecurity.com/files/167864/wpuseronline2876-xss.txt
Patch https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old...
Third Party Advisory https://www.exploit-db.com/exploits/50988
Exploit https://www.exploitalert.com/view-details.html?id=38893
Exploit https://www.exploitalert.com/view-details.html?id=38912
Third Party Advisory https://www.wordfence.com/threat-intel/vulnerabilities/id/6a44a55e-a96a-4698-994...
Third Party Advisory https://www.wordfence.com/vulnerability-advisories/#CVE-2022-2473
Exploit https://youtu.be/Q3zInrUnAV0
Exploit https://packetstormsecurity.com/files/167864/wpuseronline2876-xss.txt
Patch https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old...
Third Party Advisory https://www.exploit-db.com/exploits/50988
Exploit https://www.exploitalert.com/view-details.html?id=38893
Exploit https://www.exploitalert.com/view-details.html?id=38912
Third Party Advisory https://www.wordfence.com/threat-intel/vulnerabilities/id/6a44a55e-a96a-4698-994...
Third Party Advisory https://www.wordfence.com/vulnerability-advisories/#CVE-2022-2473
Exploit https://youtu.be/Q3zInrUnAV0
29
/ 100
low-risk
Severity 21/34 · High
Exploitability 3/34 · Minimal
Exposure 5/34 · Minimal