WordPress Plugin Vulnerabilities
WP-UserOnline < 2.88.1 - Admin+ Stored Cross-Site Scripting
Description
The plugin does not sanitise or escape some of its settings before outputting them in the admins dashboard, allowing high privilege users to perform Cross-Site Scripting attacks against other users even when the unfiltered_html capability is disallowed.
Proof of Concept
Put the following payload into any fields of Naming Conventions section "/><img src onerror=alert(/XSS/)> and save changes The XSS will be trigged in the Dashboard > WP-UserOnline page
Affects Plugins
Fixed in 2.88.1 References
CVE
Classification
Type
XSS
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
Juampa Rodríguez
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2022-08-22 (about 1 years ago)
Added
2022-08-22 (about 1 years ago)
Last Updated
2024-01-26 (about 4 months ago)
WPScan 