Vulnerability Details CVE-2023-5560
The WP-UserOnline WordPress plugin before 2.88.3 does not sanitise and escape the X-Forwarded-For header before outputting its content on the page, which allows unauthenticated users to perform Cross-Site Scripting attacks.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 67.6%
CVSS Severity
CVSS v3 Score 6.1
References
Products affected by CVE-2023-5560
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cpe:2.3:a:lesterchan:wp-useronline:*