Threat intelligence

WS Optimize – All-in-One Speed Booster & Cache Tools <= 3.3.19 - Authenticated (Editor+) Arbitrary File Read

CVE-2026-12089 · 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: WS Optimize – All-in-One Speed Booster & Cache Tools <= 3.3.19 - Authenticated (Editor+) Arbitrary File Read
Affected software: lws-optimize(Plugin)
Affected versions: ≤ 3.3.19
Authentication: Authenticated (see advisory title)
Vulnerability type: Other
CVE: CVE-2026-12089
Published: 12 June 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 5cb80db2-753c-40fa-aee4-7d8c1749d037). Methodology and redistribution notes

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