Threat intelligence

LWS Optimize – All-in-One Speed Booster & Cache Tools < 3.4 - Missing Authorization

CVE-2026-16042 · lws-optimize

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Lws Optimize at a vulnerable version. How SiteRespond intelligence works

Vulnerability: LWS Optimize – All-in-One Speed Booster & Cache Tools < 3.4 - Missing Authorization
Affected software: lws-optimize(Plugin)
Affected versions: < 3.4
Authentication: Not specified in feed title — see source advisory
Vulnerability type: Other
CVE: CVE-2026-16042
Published: 2 August 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Source: Data imported from Wordfence Intelligence (advisory 8e029624-7fc2-4290-8d54-94b319793d76). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Lws Optimize version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All Lws Optimize advisoriesBack to catalog