CVE-2025-14427 - CVE House

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Status published Medium CVE-2025-14427

Shield Security: Blocks Bots, Protects Users, and Prevents Security Breaches <= 21.0.9 - Missing Authorization to Authenticated (Subscriber+) Email MFA Update

4.3 CVSS

Vulnerability Description

The Shield Security: Blocks Bots, Protects Users, and Prevents Security Breaches plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `MfaEmailDisable` action in all versions up to, and including, 21.0.9. This makes it possible for authenticated attackers, with Subscriber-level access and above, to disable the global Email 2FA setting for the entire site.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Angus Girvan

References

More from paultgoodchild

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Shield Security <= 21.0.9 - Authenticated (Subscriber+) Insecure Direct Object Reference to Disable Google Authenticator

Shield Security – Smart Bot Blocking & Intrusion Prevention Security <= 19.1.13 - Cross-Site Request Forgery

iControlWP – Multiple WordPress Site Manager <= 4.4.5 - Unauthenticated PHP Object Injection

Shield Security – Smart Bot Blocking & Intrusion Prevention Security <= 18.5.9 - Unauthenticated Local File Inclusion

Shield Security <= 17.0.17 - Missing Authorization

Affected Vendor

paultgoodchild

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Affected Software

Shield: Blocks Bots, Protects Users, and Prevents Security Breaches

Vulnerable Versions:

0

Timeline

Official Publish: February 19th, 2026

Last Modified: April 8th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1078 Valid Accounts

T1531 Account Access Removal