CVE-2026-3220 — Multiple Plugins - Unauthenticated Stored XSS via Minify Library
The Autoptimize WordPress plugin before 3.1.15, Clearfy Cache WordPress plugin before 2.4.2, Speed Optimizer WordPress plugin before 7.7.9 are vulnerable to unauthenticated St…
Published: 2026-05-18 · CVSS: 8.8 · CVSS 3.1
The Autoptimize WordPress plugin before 3.1.15, Clearfy Cache WordPress plugin before 2.4.2, Speed Optimizer WordPress plugin before 7.7.9 are vulnerable to unauthenticated Stored Cross-Site Scripting (XSS) due to a predictable replacement hash used during the HTML minification process and abusing a regular expression. This allows an attacker to inject arbitrary HTML attributes in the final HTML output by anticipating the placeholder format.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7