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CVE-2026-16042

Medium

Description

The LWS Optimize WordPress plugin before 3.4 does not perform a capability check on its cache-clearing actions, allowing any authenticated user, including Subscribers, to flush the site's caches and force repeated cache rebuilds.

SeverityMedium
CVSS4.3
Exploit probability—
ProductLWS Optimize
PublishedAug 2, 2026
First seenAug 2, 2026
Weakness typeCWE-862Missing authorization

How to fix

Update
  • LWS Optimize3.4 or later

Affected products

ProductAffected versionsFixed in
LWS Optimizev < 3.43.4

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