TI-2026-82300 Aliases CVE-2026-111739 GHSA-8p6c-jj8g-wm34

2FA bypass in Two Factor Authentication and AIOS WordPress plugins

LOW 35CWE-287Published 2026-10-29 · Updated 2026-10-29

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: High
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-287.

Summary

The Two Factor Authentication WordPress plugin before 1.17.0 and the All-In-One Security (AIOS) WordPress plugin before 5.5.0 do not bind the verified two-factor code to the account being authenticated (CWE-287). An attacker who knows a victim's password and holds their own two-factor-enabled account can satisfy the victim's second-factor check with their own code and obtain the victim's session. A public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00286 21st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix Fixed Two Factor Authentication (Unknown): 1.17.0All-In-One Security (AIOS) (Unknown): 5.5.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Unknown	Two Factor Authentication	before 1.17.0	1.17.0	Patch available	CNA
Unknown	All-In-One Security (AIOS)	before 5.5.0	5.5.0	Patch available	CNA

Two Factor Authentication VendorUnknown Affected before 1.17.0 Fixed in 1.17.0 Patch available CNA
All-In-One Security (AIOS) VendorUnknown Affected before 5.5.0 Fixed in 5.5.0 Patch available CNA

Remediation

Update Two Factor Authentication to fixed version 1.17.0 and All-In-One Security (AIOS) to fixed version 5.5.0.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Fix · CNA Two Factor Authentication (Unknown) Fixed in 1.17.0
Fix · CNA All-In-One Security (AIOS) (Unknown) Fixed in 5.5.0

Timeline

2026-10-29 Threatist record created from CVE-2026-111739
2026-10-29 Alias added: GHSA-8p6c-jj8g-wm34
2026-10-29 CVSS score added · CISA ADP
2026-10-29 Weakness changed · CISA ADP
2026-10-29 CISA SSVC decision points changed

References

Exploit 1

https://wpscan.com/vulnerability/32371146-ddd8-4cb1-8a80-65de2d25319f/

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences