CVE-2026-13342 — Security Optimizer – The All-In-One Protection Plugin < 1.6.5 - Login Access IP Allowlist Bypass via post_password

CVE-2026-13342

Security Optimizer – The All-In-One Protection Plugin < 1.6.5 - Login Access IP Allowlist Bypass via post_password PUBLISHED

Description (CNA)

The Security Optimizer WordPress plugin from 1.5.8 to 1.6.4 does not correctly validate requests to its optional IP-based login restriction feature, allowing the restriction to be bypassed so that unauthenticated requests from non-allowlisted IP addresses can reach and use the login form, defeating the access control the administrator configured.

Affected (CNA)

Vendor / product	Versions
Unknown / Security Optimizer	affected 1.5.8 before 1.6.5

CWE

No CWE identifiers supplied.

References

https://wpscan.com/vulnerability/ab14b11c-96ab-4d07-89e0-1d67e4314267/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.