CVE-2026-12089 WS Optimize – All-in-One Speed Booster & Cache Tools <= 3.3.19 - Authenticated (Editor+) Arbitrary File Read

The LWS Optimize – All-in-One Speed Booster & Cache Tools plugin for WordPress is vulnerable to Arbitrary File Read in versions up to, and including, 3.3.19. This is due to the combinecurrentcss function trusting values harvested from page HTML and converting same-site URLs to absolute filesystem...

CVE-2026-12089

The vulnerability CVE-2026-12089 affects the WordPress plugin “LWS Optimize – All-in-One Speed Booster & Cache Tools” up to version 3.3.19. The root cause is in the combine_current_css() function, which trusts href values harvested from page HTML and converts same-site URLs to absolute filesyste...