Two-Factor Authentication Bypass in Security Optimizer Plugin for WordPress
CVE-2026-118185

Currently unrated

Key Information:

Vendor

WordPress

Vendor
CVE Published:
31 October 2026

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2026-118185?

The Security Optimizer plugin for WordPress is susceptible to a serious flaw wherein it fails to limit the number of two-factor authentication codes that can be submitted during a pending login. This weakness enables an attacker, who has knowledge of a user's password, to perform a brute-force attack on the second factor of authentication, potentially compromising the user's account.

Affected Version(s)

Security Optimizer 0 < 1.6.9

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

Timeline

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Karthik Ramakrishnan
WPScan
.