XSS in Gamerz Wp-Useronline
CVE-2022-2473
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.010 (58.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@wordfence.com (Third Party Advisory)
- security@wordfence.com (Patch)
- security@wordfence.com (Exploit)
- security@wordfence.com (Third Party Advisory)
- security@wordfence.com (VDB Entry, Third Party Advisory)
- security@wordfence.com (Exploit, VDB Entry, Third Party Advisory)
- security@wordfence.com (Exploit, Third Party Advisory)
- security@wordfence.com (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-2473?
- CVE-2022-2473 is a medium-severity vulnerability in Gamerz Wp-Useronline, classified under Cross-site Scripting. CVSS score: 5.5/10. Published 2022-09-06.
- How severe is CVE-2022-2473?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-2473 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.