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WordPress Core < 5.8.3 — SQL Injection via WP_Meta_Query

CVE-2022-21664Published · Updated

Action summary

Affected: <5.8.3Update to 4.1.34 or 4.2.31 or 4.3.27 or 4.4.26 or 4.5.25 or 4.6.22 or 4.7.22 or 4.8.18 or 4.9.19 or 5.0.15 or 5.1.12 or 5.2.14 or 5.3.11 or 5.4.9 or 5.5.8 or 5.6.7 or 5.7.5 or 5.8.3 or newer

Fixed versions are per release branch: update to the fix for the branch you run.

All remediation steps
High7.4CVSS 3.17.4CISA KEVNot listedAccessUnknown

Overview

Advisory ID
CVE-2022-21664
Product
WordPress wordpress
Affected
<5.8.3
Fixed in
4.1.34, 4.2.31, 4.3.27, 4.4.26, 4.5.25, 4.6.22, 4.7.22, 4.8.18, 4.9.19, 5.0.15, 5.1.12, 5.2.14, 5.3.11, 5.4.9, 5.5.8, 5.6.7, 5.7.5, 5.8.3
Required access
Unknown
Published
· updated
Credit
Ben Bidner
  1. Affected< 5.8.3
  2. Patched in4.1.34 / 4.2.31 / 4.3.27 / 4.4.26 / 4.5.25 / 4.6.22 / 4.7.22 / 4.8.18 / 4.9.19 / 5.0.15 / 5.1.12 / 5.2.14 / 5.3.11 / 5.4.9 / 5.5.8 / 5.6.7 / 5.7.5 / 5.8.3

Update to 4.1.34 / 4.2.31 / 4.3.27 / 4.4.26 / 4.5.25 / 4.6.22 / 4.7.22 / 4.8.18 / 4.9.19 / 5.0.15 / 5.1.12 / 5.2.14 / 5.3.11 / 5.4.9 / 5.5.8 / 5.6.7 / 5.7.5 / 5.8.3 or newer.

7.4
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:C Scope
Changed
C:L Confidentiality
Low
I:L Integrity
Low
A:L Availability
Low

WordPress is a free and open-source content management system written in PHP and paired with a MariaDB database. Due to lack of proper sanitization in one of the classes, there's potential for unintended SQL queries to be executed. This has been patched in WordPress version 5.8.3. Older affected versions are also fixed via security release, that go back till 4.1.34. We strongly recommend that you keep auto-updates enabled. There are no known workarounds for this issue.

Not sure which version you run? Run a passive check — it reads public files only.

Remediation & mitigations

  1. Update to one of the following versions, or a newer patched version: 4.1.34, 4.2.31, 4.3.27, 4.4.26, 4.5.25, 4.6.22, 4.7.22, 4.8.18, 4.9.19, 5.0.15, 5.1.12, 5.2.14, 5.3.11, 5.4.9, 5.5.8, 5.6.7, 5.7.5, 5.8.3
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.

References & provenance

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

Related CVEs

Other SQL Injection vulnerabilities
SeverityVulnerabilityCVEPublished
Medium6.4Authenticated (Contributor+) DOM-Based Stored Cross-Site Scripting via 'data-text-sec', 'data-title', and 'title' Attributes via Custom HTML Block
Flatsome≤3.20.12Update to 3.20.13
CVE-2026-18742
High7.1Unauthenticated PHP Object Injection to Arbitrary File Deletion via 'comment_content'/'comment_agent' Parameter during Attachment RenameCVE-2026-124969
Critical9.8Missing Authorization to Unauthenticated Arbitrary User Password Reset / Account Takeover via Webhook with 'Is the user ID' Field
AutomatorWP Webhooks≤1.4.4Update to 1.4.5
CVE-2026-126173
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent HeaderCVE-2026-120688

Timeline

  1. CVE published

    Severity high, CVSS 7.4

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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