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Kirki WordPress Plugin CVE-2026-84221

| EUVDEUVD-2026-71862 MEDIUM
SQL Injection (CWE-89)
2026-09-05 WPScan GHSA-78r9-6m52-hhpv
6.8
CVSS 3.1 · Vendor: WPScan
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Severity by source

Vendor (WPScan) PRIMARY
6.8 MEDIUM
AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
vuln.today AI
6.8 MEDIUM

Editor-level auth required (PR:H); read-only SQL exfiltrates cross-user credentials causing scope change (S:C, C:H); no write or availability impact.

3.1 AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (WPScan).

CVSS VectorVendor: WPScan

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

5
Analysis Generated
Sep 06, 2026 - 11:33 vuln.today
CVSS changed
Sep 06, 2026 - 11:22 NVD
6.8 (MEDIUM)
Patch available
Sep 05, 2026 - 08:01 EUVD
CVE Published
Sep 05, 2026 - 06:00 cve.org
MEDIUM 6.8
CVE Published
Sep 05, 2026 - 06:00 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

The Kirki WordPress plugin before 6.3.0 does not escape a user-supplied identifier before using it in a SQL query, allowing users with editor-level access and above to append arbitrary SQL and read the contents of the database, including user credentials.

AnalysisAI

SQL injection in the Kirki WordPress plugin (versions 6.0.0 through <6.3.0) enables authenticated users with editor-level access or above to append arbitrary SQL to an unescaped identifier, exfiltrating the full WordPress database including hashed credentials for all user accounts. The scope change (S:C) in the CVSS vector reflects that credential exposure extends impact beyond the attacker's own session to all other platform users. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Recon
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Delivery
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Exploit
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Install
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C2
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Execute
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires an authenticated WordPress session with editor-level access (the 'editor' role in WordPress, which is above contributor/author but below administrator). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 6.8 with vector AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N accurately reflects a network-exploitable read-only SQLi that requires editor-level (high-privilege) WordPress authentication - a meaningful real-world barrier on most sites. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade the Kirki plugin to version 6.3.0 or later, which resolves the unescaped SQL identifier. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-84221 vulnerability details – vuln.today

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