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WP Directory Kit CVE-2026-16590

| EUVDEUVD-2026-54739 MEDIUM
Information Exposure (CWE-200)
2026-08-08 WPScan GHSA-cgfm-pc65-3h3w
6.5
CVSS 3.1 · Vendor: WPScan
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Severity by source

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

PR:L confirmed by 'authenticated AJAX action' requiring any valid WordPress session; C:H for cross-user exposure of contact messages and personal data; no integrity or availability impact applies.

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

Primary rating from Vendor (WPScan).

CVSS VectorVendor: WPScan

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

5
Analysis Generated
Aug 10, 2026 - 20:29 vuln.today
CVSS changed
Aug 10, 2026 - 20:22 NVD
6.5 (MEDIUM)
Patch available
Aug 08, 2026 - 07:01 EUVD
CVE Published
Aug 08, 2026 - 06:00 cve.org
UNKNOWN (no severity yet)
CVE Published
Aug 08, 2026 - 06:00 cve.org
MEDIUM 6.5

DescriptionCVE.org

The WP Directory Kit WordPress plugin before 1.5.5 does not perform authorization or nonce checks on one of its authenticated AJAX actions, allowing any authenticated user such as a Subscriber to retrieve stored contact messages and associated user data belonging to other users.

AnalysisAI

Unauthorized data exposure in the WP Directory Kit WordPress plugin (all versions before 1.5.5) allows any authenticated user - including low-privilege Subscribers - to retrieve stored contact messages and associated personal data belonging to other users by invoking an unprotected AJAX endpoint. The root cause is the complete absence of WordPress authorization checks and nonce verification on an authenticated AJAX action, meaning the plugin performs no ownership or permission validation before returning sensitive inter-user data. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain any valid WordPress Subscriber account
Delivery
Identify target site running WP Directory Kit < 1.5.5
Exploit
Craft POST request to wp-admin/admin-ajax.php invoking unprotected action
Execution
Bypass absent authorization and nonce checks
Impact
Exfiltrate stored contact messages and personal data of other users

Vulnerability AssessmentAI

Exploitation WP Directory Kit must be installed and active on the WordPress site at a version below 1.5.5. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 score of 6.5 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N) is well-calibrated for this vulnerability: network-accessible, low complexity, requiring only an authenticated session of any privilege level, with high confidentiality impact and no integrity or availability consequence. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker registers a free Subscriber account on an affected WordPress site - or uses an existing low-privilege credential - and issues a crafted POST request to wp-admin/admin-ajax.php referencing the unprotected action name, using the publicly available WPScan proof-of-concept as a guide. The server responds with stored contact messages and associated personal data belonging to other registered users, requiring no further privilege escalation or interaction from a victim.
Remediation Update WP Directory Kit to version 1.5.5 or later, the vendor-confirmed patched release that introduces proper authorization checks and nonce verification on the affected AJAX action. … 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-2026-16590 vulnerability details – vuln.today

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