{"id":"CVE-2026-9066","aliases":["EUVD-2026-47886","GHSA-w2pp-vvh7-8jx9"],"status":"published","title":"WP Compress \u003c 7.10.04 - Reflected XSS via test_zone","description":"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.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00253,"percentile":0.16909,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-07-23T06:00:03Z","modified":"2026-07-23T15:31:47Z","products":[{"vendor":"aresit","product":"wp compress"},{"vendor":"unknown","product":"wp compress"}],"references":[{"url":"https://wpscan.com/vulnerability/133e2ca0-8cde-4b59-b680-0ddf95004625/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9066"},{"url":"https://wpscan.com/vulnerability/133e2ca0-8cde-4b59-b680-0ddf95004625"},{"url":"https://github.com/advisories/GHSA-w2pp-vvh7-8jx9"}],"sources":{"cve":[{"id":"CVE-2026-9066","title":"WP Compress \u003c 7.10.04 - Reflected XSS via test_zone","description":"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.","status":"published","published":"2026-07-23T06:00:03.157Z","modified":"2026-07-23T14:11:13.014Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:42:26.790871Z"}],"euvd":[{"id":"EUVD-2026-47886","description":"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.","status":"published","published":"2026-07-23T06:00:03Z","modified":"2026-07-23T14:11:13Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:19:44.021778Z"}],"ghsa":[{"id":"GHSA-w2pp-vvh7-8jx9","title":"The WP Compress  WordPress plugin before 7.10.04 does not validate the value of a query parameter...","description":"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.","status":"published","published":"2026-07-23T09:31:59Z","modified":"2026-07-23T15:31:47Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:09:43.143268Z"}],"nvd":[{"id":"CVE-2026-9066","description":"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.","status":"published","published":"2026-07-23T07:16:32.83Z","modified":"2026-07-23T15:18:18.617Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:32.473901Z"}]}}