CVE-2026-9066 — WP Compress < 7.10.04 - Reflected XSS via test_zone
The WP Compress WordPress plugin before 7.10.04 does not validate the value of a query parameter that controls the asset CDN host before using it to build the URLs of JavaScrip…
Published: 2026-07-23 · CVSS: 6.1 · CVSS 3.1
The WP Compress WordPress plugin before 7.10.04 does not validate the value of a query parameter that controls the asset CDN host before using it to build the URLs of JavaScript files emitted on the page, leading to Reflected XSS. When a visitor follows a crafted link, the WP Compress WordPress plugin before 7.10.04's loader injects script elements pointing to an attacker-controlled origin, which lets the attacker execute arbitrary JavaScript in the visitor's session on the target site.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7