Vulnerability · Published Oct 31, 2026 · Assigned by WPScan
CVE-2026-118185Security Optimizer < 1.6.9 - 2FA Bypass via Missing Rate Limiting
High 7.5
In plain English
A high-severity improper authentication in Security Optimizer from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 78.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The Security Optimizer WordPress plugin before 1.6.9 does not limit the number of two-factor authentication codes that can be submitted for a pending login, allowing an attacker who already knows a user's password to brute force the second factor and take over the account.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Security Optimizer | 0 – before 1.6.9 |
Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://wpscan.com/vulnerability/253fe868-0e85-496f-8b01-a8b5107db217/ exploit, vdb-entry, technical-description