CVE-2023-5560
Last modified
CVE-2023-5560 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Lesterchan | Wp-Useronline | < 2.88.3 |
References
- https://wpscan.com/vulnerability/55d23184-fc5a-4090-b079-142407b59b05Exploit, Third Party Advisory
- https://wpscan.com/vulnerability/55d23184-fc5a-4090-b079-142407b59b05Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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