CVE-2026-13342
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductSecurity Optimizer
PublishedAug 6, 2026
First seenAug 6, 2026
Weakness typeCWE-693CWE-693
How to fix
Update
- Security Optimizer1.6.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Security Optimizer | 1.5.8 ≤ v < 1.6.5 | 1.6.5 |
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