WPFront Notification Bar <= 3.3.2 - Authenticated (Admin+) Stored Cross-Site Scripting via wpfront-notification-bar-options[custom_class]
Vulnerability Description
The WPFront Notification Bar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘wpfront-notification-bar-options[custom_class]’ parameter in all versions up to, and including, 3.3.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, 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.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Sh
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/19a5a9f3-637c-42af-9775-5651a14cf516?source=cve
- https://plugins.trac.wordpress.org/browser/wpfront-notification-bar/trunk/templates/template-wpfront-notification-bar.php#L94
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3025472%40wpfront-notification-bar&new=3025472%40wpfront-notification-bar&sfp_email=&sfph_mail=
Affected Vendor
syammohanm
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