High severity · published Oct 29, 2026
CVE-2026-111739
Two Factor Authentication < 1.17.0 and All-In-One Security (AIOS) < 5.5.0 - Subscriber+ 2FA Bypass via 'creds_user_id' Parameter
New
7.5
CVSS
–
EPSS
No
On KEV
Description
The Two Factor Authentication WordPress plugin before 1.17.0, All-In-One Security (AIOS) WordPress plugin before 5.5.0 do not bind the account whose two-factor code is verified to the account being authenticated, allowing an attacker who knows a victim's password and holds their own two-factor-enabled account to satisfy the victim's second-factor check with their own code and obtain the victim's session.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
All-In-One Security (AIOS) ·
before 5.5.0 · source: vendor
TF
Two Factor Authentication ·
before 1.17.0 · source: vendor