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CVE-2022-51021

8.8 high SSVC exploitation: none Deferred
NVD · CVE.org

NotificationX plugin for WordPress 2.0.0 before 2.3.12 contains an unauthenticated SQL injection vulnerability that allows remote attackers to manipulate database queries by supplying an array-form 'id' parameter to /wp-json/notificationx/v1/notification/{id}. Attackers can pass id[1] with crafted SQL, such as time-based SLEEP payloads, along with an api_key derived from md5(home_url()), which flows unsanitized into Database::get_where_query to extract database contents. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-18.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 3

  1. StatusPublished → DeferredNVD modified 2026-10-22 17:40
  2. StatusReceived → PublishedNVD modified 2026-10-22 10:57
  3. First seenCVSS 8.8NVD modified 2026-10-22 11:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 4