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Vulnerabilities CVE-2026-13342

CVE-2026-13342

Medium
Open
TLP:CLEAR

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

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Description

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.

Details

CVSS Score
5.3
EPSS Score
0.25%

16.7th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Confidence
90%
Published
Aug 6, 2026
Last Modified
Aug 7, 2026
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