Strategic Overview
- Status
- Patched in 2.3.9
- Affected Version
<= 2.3.8- CVSS
- 9.8Critical
- Weakness type
- CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
- CVE
CVE-2022-0349
At a glance
CVE-2022-0349 is a critical-severity Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in the NotificationX WordPress plugin, affecting versions <= 2.3.8. It carries a CVSS score of 9.8 (reachable over the network; low attack complexity; high confidentiality, integrity, availability impact). Exploitation requires no authentication. The issue is fixed in version 2.3.9; sites on affected versions should update now. Disclosed February 2022, reported by Krzysztof Zając.
Vulnerability Overview
The NotificationX WordPress plugin before 2.3.9 does not sanitise and escape the nx_id parameter before using it in a SQL statement, leading to an Unauthenticated Blind SQL Injection.
Technical Analysis
The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user. A successful exploit has high impact on confidentiality, integrity, availability — full site compromise territory.
CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Reaching this weakness in NotificationX <= 2.3.8 takes a caller who can reach the endpoint. SQL injection happens when request data is concatenated into a query instead of being bound as a parameter, letting an attacker change the structure of the statement rather than just its values.
A working injection can read any table the database user can see, which on a WordPress install means user records, password hashes and session or API secrets stored in options. For NotificationX the fix is 2.3.9: builds <= 2.3.8 are affected, anything from 2.3.9 onward is not.
Remediation
Update to version 2.3.9, or a newer patched version
How does WordSec protect against this?
The attempt arrives as an ordinary request to NotificationX: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: NotificationX 2.3.9 closes this, and updating the plugin is the step that ends it.
- Firewall
- Alerts
External References
Related records
Same weakness class
Other vulnerabilities in NotificationX – FOMO, Live Sales Notification, WooCommerce Sales Popup, GDPR, Social Proof, Announcement Banner & Floating Notification Bar
- 7.2CVE-2025-15380: NotificationX <= 3.2.0 DOM-Based Cross-Site Scripting
CVE-2025-15380 - 6.4CVE-2025-22683: NotificationX <= 2.9.5 Stored Cross-Site Scripting
CVE-2025-22683 - 5.3CVE-2026-27042: NotificationX Missing Authorization
CVE-2026-27042 - 4.4CVE-2024-11727: NotificationX Stored XSS
CVE-2024-11727 - 4.3CVE-2026-0554: NotificationX Authenticated (Contributor+) Analytics
CVE-2026-0554 - 4.3CVE-2020-36744: NotificationX <= 1.8.2 CSRF Bypass
CVE-2020-36744
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