WP Vulnerability WatchVulnerability data as of September 7, 2026

Known vulnerabilities in LWS Optimize – All-in-One Speed Booster & Cache Tools

All-in-one speed optimization: caching, WebP/AVIF, Critical CSS, lazy loading, CDN, and more. Instantly boost Core Web Vitals and site speed!

4Reported vulnerabilities
7.2Highest CVSS score
4.1.3Latest version
10,000+Active installs

What to do now

Update LWS Optimize – All-in-One Speed Booster & Cache Tools to 4.1.2 or later. 4 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 18, 2026 / Tested up to WordPress: 7.0.4 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVESeverityExploit probability
next 30 days
Affected versionsFixed inPublished
CVE-2026-16032 High 7.2 0.2% 4.1.1 and earlier 4.1.2 August 4, 2026
CVE-2026-12089 Medium 4.9 0.3% 0 to 3.3.19 (inclusive) 3.3.20 June 13, 2026
CVE-2026-16042 Medium 4.3 0.2% Before 3.4 3.4 August 2, 2026
CVE-2024-30541 Medium 4.3 0.2% 1.9.1 and earlier 2.0 March 29, 2024

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.