CVE-2026-93896
Description
The WPFront Notification Bar plugin for WordPress is vulnerable to Reflected Cross-Site Scripting in versions up to, and including, 3.5.1. This is due to the debug-log output path (write_debug_logs) reflecting the raw value of $_SERVER['REQUEST_URI'] through vprintf() directly inside a <script> block emitted on wp_footer, without any sanitization or escaping (see the 'Current URL is "%s"' log entry produced by the URL-text display filter in the filter() method). This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a specially crafted link.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://plugins.trac.wordpress.org/browser/wpfront-notification-bar/tags/3.5.1/classes/class-wpfront-notification-bar-controller.php#L327
- https://plugins.trac.wordpress.org/browser/wpfront-notification-bar/tags/3.5.1/classes/class-wpfront-notification-bar-controller.php#L491
- https://plugins.trac.wordpress.org/browser/wpfront-notification-bar/tags/3.5.1/classes/class-wpfront-notification-bar-controller.php#L843
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3722432%40wpfront-notification-bar&new=3722432%40wpfront-notification-bar
- https://www.wordfence.com/threat-intel/vulnerabilities/id/39563589-d585-4fba-9685-7e4b4eaef30e?source=cve
CWEs
CWE-79
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.