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New User Approve CVE-2026-28163

| EUVDEUVD-2026-63325 MEDIUM
Missing Authorization (CWE-862)
2026-08-20 Patchstack GHSA-3ph6-9wp8-h8w5
5.3
CVSS 3.1 · Vendor: Patchstack
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Severity by source

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

Network-reachable, no credentials required per CVSS PR:N; integrity-only impact limited to approval state manipulation with no confidentiality or availability component.

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

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

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

Lifecycle Timeline

1
Analysis Generated
Aug 20, 2026 - 13:21 vuln.today

DescriptionCVE.org

Missing Authorization vulnerability in myCred New User Approve allows Exploiting Incorrectly Configured Access Control Security Levels.

This issue affects New User Approve: from n/a through 3.2.8.

AnalysisAI

Missing Authorization in myCred's New User Approve WordPress plugin through version 3.2.8 permits unauthenticated remote attackers to exploit incorrectly configured access control security levels, resulting in unauthorized integrity modifications - most likely manipulation of user registration approval states. Reported by Patchstack and assigned a CVSS 5.3 (Medium) with vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N, the flaw is exploitable without credentials or user interaction against any WordPress site running the affected plugin. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation The CVSS vector AV:N/AC:L/PR:N/UI:N confirms exploitation requires no authentication, no user interaction, and low complexity - any unauthenticated remote attacker can attempt exploitation over HTTP/HTTPS. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 5.3 Medium score with vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N reflects a remotely exploitable, low-complexity flaw requiring no authentication, but with impact limited strictly to integrity (I:L) - no confidentiality or availability components are affected. … 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 WordPress site administrators should update the New User Approve plugin to a version beyond 3.2.8 as soon as a patched release is available from the WordPress plugin repository or myCred. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-28163 vulnerability details – vuln.today

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