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

2026-02-18 16:16

shark3y

Strategic Overview

Status

Patched in 21.0.10

Affected PluginShield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning

Affected Version<= 21.0.9

CVSS4.3Medium

CVECVE-2025-14427

View all Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 21.0.10, or a newer patched version --- IDENTIFIER: CWE-862 (Missing Authorization) The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

External References

https://www.cve.org/CVERecord?id=CVE-2025-14427 https://www.wordfence.com/threat-intel/vulnerabilities/id/91dbc521-c24b-4b73-9b70-46d363ccb535

CVSS Vector

4.3

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityLow
AvailabilityNone

This record contains material that is subject to copyright

CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

https://www.cve.org/Legal/TermsOfUse

Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.

https://www.wordfence.com/wordfence-intelligence-terms-and-conditions/