WordPress APCu Manager plugin < 4.5.0 - Unauthenticated Stored XSS via Cache Key Pollution vulnerability

Unauthenticated Stored XSS via Cache Key Pollution vulnerability discovered by Alessandro Greco aka Aleff, Giovanbattista Ianni University of Calabria - UNICAL in WordPress Plugin APCu Manager versions 4.5.0...

CVE-2026-10083

The APCu Manager WordPress plugin before 4.5.0 does not escape APCu object-cache keys before rendering them in an admin-area page, leading to a Stored Cross-Site Scripting vulnerability. When a persistent object cache is enabled, cache keys derived from unsanitised user input e.g. a transient nam...