RegLevel <= 1.2.1 - Authenticated (Administrator+) Stored Cross-Site Scripting
Vulnerability Description
The RegLevel plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.2.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Artem Polynko
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/b6ead872-76a7-49c3-af07-d87a4c68183f?source=cve
- https://plugins.trac.wordpress.org/browser/reglevel/trunk/includes/admin.php#L73
- https://wordpress.org/plugins/reglevel/#developers
- https://plugins.trac.wordpress.org/browser/reglevel/trunk/includes/functions.php#L11
Affected Vendor
ericmann
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