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Affected Vendors & Products
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Solution
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Workaround
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Fri, 16 Oct 2026 15:30:00 +0000
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ssvc
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Fri, 16 Oct 2026 04:45:00 +0000
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| Description | The NotificationX plugin for WordPress is vulnerable to Missing Authorization leading to arbitrary content injection in versions up to, and including, 3.3.3 The /notificationx/v1/popup-submit REST route is registered with permission_callback => '__return_true', and the handler at PopupNotification::handle_popup_submission() accepts an attacker-controlled nx_id, loads whichever NotificationX campaign that id points to, and copies that campaign's own source into the new entry without verifying that the campaign is a Popup Notification or Exit Intent Popup (the two sources this form is intended to serve). This makes it possible for unauthenticated attackers to inject forged social-proof entries (name, title, message, email, theme) into any enabled non-popup NotificationX campaign — WP Comments, WooCommerce/EDD/Give sales, reviews, etc. | |
| Title | NotificationX <= 3.3.3 - Missing Authorization to Unauthenticated Arbitrary Content Injection via 'nx_id' Parameter on /popup-submit REST Route | |
| Weaknesses | CWE-862 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: Wordfence
Published:
Updated: 2026-10-16T15:09:39.990Z
Reserved: 2026-10-14T14:45:02.807Z
Link: CVE-2026-110721
Updated: 2026-10-16T15:00:22.603Z
Status : Deferred
Published: 2026-10-16T05:17:30.097
Modified: 2026-10-16T15:17:11.883
Link: CVE-2026-110721
No data.
OpenCVE Enrichment
Updated: 2026-10-16T14:45:13Z