WP-UserOnline < 2.88.3 - Unauthenticated Stored XSS
CVE-2023-5560

6.1MEDIUM

Key Information:

Vendor

Wordpress
Status
WP-UserOnline
Vendor
CVE Published:
27 November 2023

What is 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.

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Deploy the Patch

Affected Version(s)

WP-UserOnline 0 < 2.88.3

References

https://wpscan.com/vulnerability/55d23184-fc5a-4090-b079-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Krzysztof ZajÄ…c (CERT PL)
WPScan
JSON
.